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102020202112112 = 2417375074272471
BaseRepresentation
bin10111001100100101101101…
…111010000010010001110000
3111101020000222022000000012022
4113030211231322002101300
5101332444333220041422
61000551233413051012
730326500466566334
oct2714455572022160
9441200868000168
10102020202112112
112a563585481889
12b538247326a68
1344c0604bcb6bb
141b29b387597c4
15bbdba613d342
hex5cc96de82470

102020202112112 has 20 divisors (see below), whose sum is σ = 209291444039376. Its totient is φ = 48009506876160.

The previous prime is 102020202112051. The next prime is 102020202112139. The reversal of 102020202112112 is 211211202020201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187537135964 + ... + 187537136507.

Almost surely, 2102020202112112 is an apocalyptic number.

It is an amenable number.

102020202112112 is an abundant number, since it is smaller than the sum of its proper divisors (107271241927264).

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

102020202112112 is a wasteful number, since it uses less digits than its factorization.

102020202112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375074272496 (or 375074272490 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102020202112112 its reverse (211211202020201), we get a palindrome (313231404132313).

The spelling of 102020202112112 in words is "one hundred two trillion, twenty billion, two hundred two million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 17 34 68 136 272 375074272471 750148544942 1500297089884 3000594179768 6001188359536 6376262632007 12752525264014 25505050528028 51010101056056 102020202112112