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2112112020102 = 237383304143177
BaseRepresentation
bin11110101111000011101…
…011111100101010000110
321110220201201101120020220
4132233003223330222012
5234101101134120402
64254142454405210
7305411050644360
oct36570353745206
97426651346226
102112112020102
11744818199957
122a1412060806
1312422c49a2c6
147432636bd30
1539e1a713dbc
hex1ebc3afca86

2112112020102 has 64 divisors (see below), whose sum is σ = 4841993355264. Its totient is φ = 601673103360.

The previous prime is 2112112020047. The next prime is 2112112020199. The reversal of 2112112020102 is 2010202112112.

It is a super-2 number, since 2×21121120201022 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48895938 + ... + 48939114.

It is an arithmetic number, because the mean of its divisors is an integer number (75656146176).

Almost surely, 22112112020102 is an apocalyptic number.

2112112020102 is an abundant number, since it is smaller than the sum of its proper divisors (2729881335162).

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

2112112020102 is a wasteful number, since it uses less digits than its factorization.

2112112020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46613.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112112020102 its reverse (2010202112112), we get a palindrome (4122314132214).

The spelling of 2112112020102 in words is "two trillion, one hundred twelve billion, one hundred twelve million, twenty thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 42 383 766 1149 2298 2681 3041 5362 6082 8043 9123 16086 18246 21287 42574 43177 63861 86354 127722 129531 259062 302239 604478 906717 1164703 1813434 2329406 3494109 6988218 8152921 16305842 16536791 24458763 33073582 48917526 49610373 99220746 115757537 131301257 231515074 262602514 347272611 393903771 694545222 787807542 919108799 1838217598 2757326397 5514652794 50288381431 100576762862 150865144293 301730288586 352018670017 704037340034 1056056010051 2112112020102