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107085180031 = 212057504983
BaseRepresentation
bin110001110111011000…
…1100010110001111111
3101020101221122210001221
41203232301202301333
53223302301230111
6121105543014211
710510446004024
oct1435661426177
9336357583057
10107085180031
1141461879795
121890673a367
13a13766a76b
14527c03154b
152bbb27c371
hex18eec62c7f

107085180031 has 4 divisors (see below), whose sum is σ = 107085897072. Its totient is φ = 107084462992.

The previous prime is 107085179939. The next prime is 107085180053. The reversal of 107085180031 is 130081580701.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 130081580701 = 273457475693.

It is a cyclic number.

It is not a de Polignac number, because 107085180031 - 213 = 107085171839 is a prime.

It is a super-2 number, since 2×1070851800312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107085180061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40435 + ... + 464548.

It is an arithmetic number, because the mean of its divisors is an integer number (26771474268).

Almost surely, 2107085180031 is an apocalyptic number.

107085180031 is a deficient number, since it is larger than the sum of its proper divisors (717041).

107085180031 is an equidigital number, since it uses as much as digits as its factorization.

107085180031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717040.

The product of its (nonzero) digits is 6720, while the sum is 34.

The spelling of 107085180031 in words is "one hundred seven billion, eighty-five million, one hundred eighty thousand, thirty-one".

Divisors: 1 212057 504983 107085180031