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102020211213100 = 22528218912412879
BaseRepresentation
bin10111001100100101101110…
…011100110000001100101100
3111101020000222221010101101221
4113030211232130300030230
5101332444343032304400
61000551234340113124
730326500640132665
oct2714455634601454
9441200887111357
10102020211213100
112a56358a628564
12b53824a3957a4
1344c0606a66cbb
141b29b39a4836c
15bbdba6d39c1a
hex5cc96e73032c

102020211213100 has 36 divisors (see below), whose sum is σ = 221386569762400. Its totient is φ = 40807584682560.

The previous prime is 102020211213031. The next prime is 102020211213101. The reversal of 102020211213100 is 1312112020201.

It is a super-2 number, since 2×1020202112131002 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102020211213101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2012461 + ... + 14425339.

Almost surely, 2102020211213100 is an apocalyptic number.

102020211213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020211213100 is an abundant number, since it is smaller than the sum of its proper divisors (119366358549300).

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

102020211213100 is a wasteful number, since it uses less digits than its factorization.

102020211213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12495082 (or 12495075 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102020211213100 its reverse (1312112020201), we get a palindrome (103332323233301).

The spelling of 102020211213100 in words is "one hundred two trillion, twenty billion, two hundred eleven million, two hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 82189 164378 328756 410945 821890 1643780 2054725 4109450 8218900 12412879 24825758 49651516 62064395 124128790 248257580 310321975 620643950 1241287900 1020202112131 2040404224262 4080808448524 5101010560655 10202021121310 20404042242620 25505052803275 51010105606550 102020211213100