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111402412031 = 349858137199
BaseRepresentation
bin110011111000000011…
…0011110011111111111
3101122112211021220000102
41213300012132133333
53311123004141111
6123102204151315
711022440610161
oct1476006363777
9348484256012
10111402412031
1143277837019
121971053853b
13a674c11501
14556b562931
152d702b713b
hex19f019e7ff

111402412031 has 8 divisors (see below), whose sum is σ = 111737640000. Its totient is φ = 111067276320.

The previous prime is 111402411977. The next prime is 111402412039. The reversal of 111402412031 is 130214204111.

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 111402412031 - 210 = 111402411007 is a prime.

It is a super-2 number, since 2×1114024120312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 111402411994 and 111402412012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111402412039) 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, 2976170 + ... + 3013368.

It is an arithmetic number, because the mean of its divisors is an integer number (13967205000).

Almost surely, 2111402412031 is an apocalyptic number.

111402412031 is a deficient number, since it is larger than the sum of its proper divisors (335227969).

111402412031 is an equidigital number, since it uses as much as digits as its factorization.

111402412031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46129.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111402412031 its reverse (130214204111), we get a palindrome (241616616142).

The spelling of 111402412031 in words is "one hundred eleven billion, four hundred two million, four hundred twelve thousand, thirty-one".

Divisors: 1 349 8581 37199 2994769 12982451 319204619 111402412031