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5107552121 = 72341731159
BaseRepresentation
bin1001100000110111…
…10000111101111001
3111011221202112100002
410300123300331321
540430013131441
62202452322345
7240366322340
oct46033607571
914157675302
105107552121
112191097561
12ba66133b5
136352179b9
1436649ab57
151ed5edb9b
hex1306f0f79

5107552121 has 8 divisors (see below), whose sum is σ = 5837639040. Its totient is φ = 4377574368.

The previous prime is 5107552111. The next prime is 5107552183. The reversal of 5107552121 is 1212557015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5107552121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5107552111) 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, 148340 + ... + 179498.

It is an arithmetic number, because the mean of its divisors is an integer number (729704880).

Almost surely, 25107552121 is an apocalyptic number.

It is an amenable number.

5107552121 is a deficient number, since it is larger than the sum of its proper divisors (730086919).

5107552121 is a wasteful number, since it uses less digits than its factorization.

5107552121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54583.

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 5107552121 is about 71467.1401484626. The cubic root of 5107552121 is about 1722.1498402861.

The spelling of 5107552121 in words is "five billion, one hundred seven million, five hundred fifty-two thousand, one hundred twenty-one".

Divisors: 1 7 23417 31159 163919 218113 729650303 5107552121