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102021113200031 = 176319510684553
BaseRepresentation
bin10111001100100110100100…
…001101100011110110011111
3111101020010022210101001212022
4113030212210031203312133
5101333003214434400111
61000551504040530355
730326532201655334
oct2714464415436637
9441203283331768
10102021113200031
112a563a02797703
12b5384604809bb
1344c071b8a7b8c
141b29bc376098b
15bbdc0b10a2db
hex5cc9a4363d9f

102021113200031 has 8 divisors (see below), whose sum is σ = 108193547486304. Its totient is φ = 95867700284160.

The previous prime is 102021113200021. The next prime is 102021113200049. The reversal of 102021113200031 is 130002311120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102021113200031 - 210 = 102021113199007 is a prime.

It is a super-2 number, since 2×1020211132000312 (a number of 29 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102021113199982 and 102021113200009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021113200021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4755331550 + ... + 4755353003.

It is an arithmetic number, because the mean of its divisors is an integer number (13524193435788).

Almost surely, 2102021113200031 is an apocalyptic number.

102021113200031 is a deficient number, since it is larger than the sum of its proper divisors (6172434286273).

102021113200031 is an equidigital number, since it uses as much as digits as its factorization.

102021113200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510685201.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102021113200031 its reverse (130002311120201), we get a palindrome (232023424320232).

The spelling of 102021113200031 in words is "one hundred two trillion, twenty-one billion, one hundred thirteen million, two hundred thousand, thirty-one".

Divisors: 1 17 631 10727 9510684553 161681637401 6001241952943 102021113200031