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107110462681 = 449238553369
BaseRepresentation
bin110001111000001000…
…1111111010011011001
3101020110201020021100101
41203300101333103121
53223330234301211
6121112244535401
710511203624255
oct1436021772331
9336421207311
10107110462681
1141475077a42
12189130b1561
13a13c980501
145281533265
152bbd5c35c1
hex18f047f4d9

107110462681 has 4 divisors (see below), whose sum is σ = 107349016500. Its totient is φ = 106871908864.

The previous prime is 107110462673. The next prime is 107110462691. The reversal of 107110462681 is 186264011701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 186264011701 = 380394896659.

It can be written as a sum of positive squares in 2 ways, for example, as 73016686656 + 34093776025 = 270216^2 + 184645^2 .

It is a cyclic number.

It is not a de Polignac number, because 107110462681 - 23 = 107110462673 is a prime.

It is a super-2 number, since 2×1071104626812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107110462681.

It is not an unprimeable number, because it can be changed into a prime (107110462601) 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, 119276236 + ... + 119277133.

It is an arithmetic number, because the mean of its divisors is an integer number (26837254125).

Almost surely, 2107110462681 is an apocalyptic number.

It is an amenable number.

107110462681 is a deficient number, since it is larger than the sum of its proper divisors (238553819).

107110462681 is an equidigital number, since it uses as much as digits as its factorization.

107110462681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238553818.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 107110462681 in words is "one hundred seven billion, one hundred ten million, four hundred sixty-two thousand, six hundred eighty-one".

Divisors: 1 449 238553369 107110462681