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107128318361 = 1636431022129
BaseRepresentation
bin110001111000101011…
…0000110100110011001
3101020111221211102201212
41203301112012212121
53223344322141421
6121114123352505
710511511452531
oct1436126064631
9336457742655
10107128318361
11414841631a9
1218919082735
13a1435928bc
145283a604c1
152bbee4de5b
hex18f1586999

107128318361 has 8 divisors (see below), whose sum is σ = 107953282080. Its totient is φ = 106305400512.

The previous prime is 107128318343. The next prime is 107128318369. The reversal of 107128318361 is 163813821701.

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 107128318361 - 210 = 107128317337 is a prime.

It is a super-2 number, since 2×1071283183612 (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 (107128318369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406256 + ... + 615873.

It is an arithmetic number, because the mean of its divisors is an integer number (13494160260).

Almost surely, 2107128318361 is an apocalyptic number.

It is an amenable number.

107128318361 is a deficient number, since it is larger than the sum of its proper divisors (824963719).

107128318361 is a wasteful number, since it uses less digits than its factorization.

107128318361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022935.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 107128318361 in words is "one hundred seven billion, one hundred twenty-eight million, three hundred eighteen thousand, three hundred sixty-one".

Divisors: 1 163 643 104809 1022129 166607027 657228947 107128318361