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112665372131 = 1321559401993
BaseRepresentation
bin110100011101101100…
…0010010010111100011
3101202210211202220120102
41220323120102113203
53321214313402011
6123431401533015
711065644601454
oct1507330222743
9352724686512
10112665372131
11438657356a4
1219a034a416b
13a81677b090
14564b1a112b
152de60dc73b
hex1a3b6125e3

112665372131 has 8 divisors (see below), whose sum is σ = 121337868960. Its totient is φ = 103993722432.

The previous prime is 112665372107. The next prime is 112665372163. The reversal of 112665372131 is 131273566211.

It is a happy number.

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 112665372131 - 26 = 112665372067 is a prime.

It is a super-2 number, since 2×1126653721312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112665372101) 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 7 ways as a sum of consecutive naturals, for example, 79271 + ... + 481263.

It is an arithmetic number, because the mean of its divisors is an integer number (15167233620).

Almost surely, 2112665372131 is an apocalyptic number.

112665372131 is a deficient number, since it is larger than the sum of its proper divisors (8672496829).

112665372131 is a wasteful number, since it uses less digits than its factorization.

112665372131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423565.

The product of its digits is 45360, while the sum is 38.

The spelling of 112665372131 in words is "one hundred twelve billion, six hundred sixty-five million, three hundred seventy-two thousand, one hundred thirty-one".

Divisors: 1 13 21559 280267 401993 5225909 8666567087 112665372131