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107961972859 = 138304767143
BaseRepresentation
bin110010010001100001…
…0001111100001111011
3101022200001111110201101
41210203002033201323
53232101231112414
6121332543432231
710541253425236
oct1444302174173
9338601443641
10107961972859
11418717a0164
1218b102b5677
13a2471c9ca0
14532266a41d
152c1d222a74
hex192308f87b

107961972859 has 4 divisors (see below), whose sum is σ = 116266740016. Its totient is φ = 99657205704.

The previous prime is 107961972847. The next prime is 107961972869. The reversal of 107961972859 is 958279169701.

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 107961972859 - 213 = 107961964667 is a prime.

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 107961972859.

It is not an unprimeable number, because it can be changed into a prime (107961972869) 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, 4152383559 + ... + 4152383584.

It is an arithmetic number, because the mean of its divisors is an integer number (29066685004).

Almost surely, 2107961972859 is an apocalyptic number.

107961972859 is a deficient number, since it is larger than the sum of its proper divisors (8304767157).

107961972859 is an equidigital number, since it uses as much as digits as its factorization.

107961972859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304767156.

The product of its (nonzero) digits is 17146080, while the sum is 64.

The spelling of 107961972859 in words is "one hundred seven billion, nine hundred sixty-one million, nine hundred seventy-two thousand, eight hundred fifty-nine".

Divisors: 1 13 8304767143 107961972859