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107117507755 = 521423501551
BaseRepresentation
bin110001111000010110…
…0110111010010101011
3101020111012111012101001
41203300230313102223
53223334040222010
6121113055535431
710511320535656
oct1436054672253
9336435435331
10107117507755
114147904a015
121891552a577
13a1412790ab
14528244889d
152bbe015c3a
hex18f0b374ab

107117507755 has 4 divisors (see below), whose sum is σ = 128541009312. Its totient is φ = 85694006200.

The previous prime is 107117507753. The next prime is 107117507797. The reversal of 107117507755 is 557705711701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557705711701 = 658961846341.

It is not a de Polignac number, because 107117507755 - 21 = 107117507753 is a prime.

It is a super-2 number, since 2×1071175077552 (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 (107117507753) 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, 10711750771 + ... + 10711750780.

It is an arithmetic number, because the mean of its divisors is an integer number (32135252328).

Almost surely, 2107117507755 is an apocalyptic number.

107117507755 is a deficient number, since it is larger than the sum of its proper divisors (21423501557).

107117507755 is an equidigital number, since it uses as much as digits as its factorization.

107117507755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21423501556.

The product of its (nonzero) digits is 300125, while the sum is 46.

The spelling of 107117507755 in words is "one hundred seven billion, one hundred seventeen million, five hundred seven thousand, seven hundred fifty-five".

Divisors: 1 5 21423501551 107117507755