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102020310312032 = 2574721271623451
BaseRepresentation
bin10111001100100101110100…
…010110110010010001100000
3111101020001020211121010120202
4113030211310112302101200
5101333000043414441112
61000551252240124332
730326503252353110
oct2714456426622140
9441201224533522
10102020310312032
112a563630564002
12b5382776066a8
1344c0621453618
141b29b48c83040
15bbdbb08b26c2
hex5cc9745b2460

102020310312032 has 144 divisors (see below), whose sum is σ = 236380429651968. Its totient is φ = 42455737094400.

The previous prime is 102020310312017. The next prime is 102020310312049. The reversal of 102020310312032 is 230213013020201.

It is a junction number, because it is equal to n+sod(n) for n = 102020310311995 and 102020310312013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62029907 + ... + 63653357.

It is an arithmetic number, because the mean of its divisors is an integer number (1641530761472).

Almost surely, 2102020310312032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102020310312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118190214825984).

102020310312032 is an abundant number, since it is smaller than the sum of its proper divisors (134360119339936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102020310312032 is a wasteful number, since it uses less digits than its factorization.

102020310312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623689 (or 1623634 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102020310312032 its reverse (230213013020201), we get a palindrome (332233323332233).

The spelling of 102020310312032 in words is "one hundred two trillion, twenty billion, three hundred ten million, three hundred twelve thousand, thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 47 56 94 112 127 188 224 254 329 376 508 658 752 889 1016 1316 1504 1778 2032 2209 2632 3556 4064 4418 5264 5969 7112 8836 10528 11938 14224 15463 17672 23876 28448 30926 35344 41783 47752 61852 70688 83566 95504 123704 167132 191008 247408 280543 334264 494816 561086 668528 1122172 1337056 1623451 1963801 2244344 3246902 3927602 4488688 6493804 7855204 8977376 11364157 12987608 15710408 22728314 25975216 31420816 45456628 51950432 62841632 76302197 90913256 152604394 181826512 206178277 305208788 363653024 412356554 534115379 610417576 824713108 1068230758 1220835152 1443247939 1649426216 2136461516 2441670304 2886495878 3298852432 3586203259 4272923032 5772991756 6597704864 7172406518 8545846064 9690379019 11545983512 14344813036 17091692128 19380758038 23091967024 25103422813 28689626072 38761516076 46183934048 50206845626 57379252144 67832653133 77523032152 100413691252 114758504288 135665306266 155046064304 200827382504 271330612532 310092128608 401654765008 455447813893 542661225064 803309530016 910895627786 1085322450128 1821791255572 2170644900256 3188134697251 3643582511144 6376269394502 7287165022288 12752538789004 14574330044576 25505077578008 51010155156016 102020310312032