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104202102031 = 119698705999
BaseRepresentation
bin110000100001011101…
…1011110010100001111
3100221222000122020120021
41201002323132110033
53201401214231111
6115511512403011
710346140152556
oct1410273362417
9327860566507
10104202102031
11402124085a5
12182410a6467
139a98273151
145087182d9d
152a9d0d1d71
hex1842ede50f

104202102031 has 4 divisors (see below), whose sum is σ = 104210820000. Its totient is φ = 104193384064.

The previous prime is 104202102023. The next prime is 104202102049. The reversal of 104202102031 is 130201202401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104202102031 - 23 = 104202102023 is a prime.

It is a super-2 number, since 2×1042021020312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104202101996 and 104202102014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104202102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4341031 + ... + 4364968.

It is an arithmetic number, because the mean of its divisors is an integer number (26052705000).

Almost surely, 2104202102031 is an apocalyptic number.

104202102031 is a deficient number, since it is larger than the sum of its proper divisors (8717969).

104202102031 is an equidigital number, since it uses as much as digits as its factorization.

104202102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8717968.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 104202102031 its reverse (130201202401), we get a palindrome (234403304432).

The spelling of 104202102031 in words is "one hundred four billion, two hundred two million, one hundred two thousand, thirty-one".

Divisors: 1 11969 8705999 104202102031