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5121552551 = 53131737657
BaseRepresentation
bin1001100010100010…
…01011000010100111
3111012221002211022112
410301101023002213
540442104140201
62204112351235
7240626323043
oct46121130247
914187084275
105121552551
112198a8a265
12bab24551b
136380aa38b
143682a3023
151ee9670bb
hex13144b0a7

5121552551 has 8 divisors (see below), whose sum is σ = 5258026224. Its totient is φ = 4986554560.

The previous prime is 5121552547. The next prime is 5121552587. The reversal of 5121552551 is 1552551215.

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 5121552551 - 22 = 5121552547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121552521) 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, 361886 + ... + 375771.

It is an arithmetic number, because the mean of its divisors is an integer number (657253278).

Almost surely, 25121552551 is an apocalyptic number.

5121552551 is a deficient number, since it is larger than the sum of its proper divisors (136473673).

5121552551 is a wasteful number, since it uses less digits than its factorization.

5121552551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737841.

The product of its digits is 12500, while the sum is 32.

The square root of 5121552551 is about 71565.0232376124. The cubic root of 5121552551 is about 1723.7219463848.

The spelling of 5121552551 in words is "five billion, one hundred twenty-one million, five hundred fifty-two thousand, five hundred fifty-one".

Divisors: 1 53 131 6943 737657 39095821 96633067 5121552551