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102020101310 = 251731151128203
BaseRepresentation
bin101111100000011011…
…1110011010010111110
3100202022221211010021202
41133000313303102332
53132414121220220
6114511204455502
710241103360461
oct1370067632276
9322287733252
10102020101310
113a2a2762116
12179323aa592
13980b1a436a
144d1b46d2d8
1529c176d275
hex17c0df34be

102020101310 has 64 divisors (see below), whose sum is σ = 202041298944. Its totient is φ = 36922176000.

The previous prime is 102020101229. The next prime is 102020101319. The reversal of 102020101310 is 13101020201.

It is a super-2 number, since 2×1020201013102 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102020101291 and 102020101300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020101319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 731669 + ... + 859871.

It is an arithmetic number, because the mean of its divisors is an integer number (3156895296).

Almost surely, 2102020101310 is an apocalyptic number.

102020101310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020101310 is a deficient number, since it is larger than the sum of its proper divisors (100021197634).

102020101310 is a wasteful number, since it uses less digits than its factorization.

102020101310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128409.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 102020101310 its reverse (13101020201), we get a palindrome (115121121511).

The spelling of 102020101310 in words is "one hundred two billion, twenty million, one hundred one thousand, three hundred ten".

Divisors: 1 2 5 10 17 31 34 62 85 151 155 170 302 310 527 755 1054 1510 2567 2635 4681 5134 5270 9362 12835 23405 25670 46810 79577 128203 159154 256406 397885 641015 795770 1282030 2179451 3974293 4358902 7948586 10897255 19358653 19871465 21794510 38717306 39742930 67562981 96793265 135125962 193586530 329097101 337814905 600118243 658194202 675629810 1200236486 1645485505 3000591215 3290971010 6001182430 10202010131 20404020262 51010050655 102020101310