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5180011257 = 31726670419
BaseRepresentation
bin1001101001100000…
…01011001011111001
3111101000002211120210
410310300023023321
541102040330012
62214001341333
7242236240431
oct46460131371
914330084523
105180011257
112218a88143
121006937849
13647237925
14371d5d2c1
15204b6323c
hex134c0b2f9

5180011257 has 4 divisors (see below), whose sum is σ = 6906681680. Its totient is φ = 3453340836.

The previous prime is 5180011241. The next prime is 5180011261. The reversal of 5180011257 is 7521100815.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5180011257 - 24 = 5180011241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5180011157) 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, 863335207 + ... + 863335212.

It is an arithmetic number, because the mean of its divisors is an integer number (1726670420).

Almost surely, 25180011257 is an apocalyptic number.

It is an amenable number.

5180011257 is a deficient number, since it is larger than the sum of its proper divisors (1726670423).

5180011257 is a wasteful number, since it uses less digits than its factorization.

5180011257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726670422.

The product of its (nonzero) digits is 2800, while the sum is 30.

The square root of 5180011257 is about 71972.2950655320. The cubic root of 5180011257 is about 1730.2554844488.

The spelling of 5180011257 in words is "five billion, one hundred eighty million, eleven thousand, two hundred fifty-seven".

Divisors: 1 3 1726670419 5180011257