Search a number
-
+
5110381057 = 5836987553
BaseRepresentation
bin1001100001001101…
…00011101000000001
3111012011002020220111
410300212203220001
540431224143212
62203033111321
7240432344065
oct46046435001
914164066814
105110381057
112192749a21
12ba7558541
13635998522
143669d5aa5
151ed9abea7
hex1309a3a01

5110381057 has 4 divisors (see below), whose sum is σ = 5110526980. Its totient is φ = 5110235136.

The previous prime is 5110381049. The next prime is 5110381069. The reversal of 5110381057 is 7501830115.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3391781121 + 1718599936 = 58239^2 + 41456^2 .

It is a 3-Lehmer number, since φ(5110381057) divides (5110381057-1)3.

It is a cyclic number.

It is not a de Polignac number, because 5110381057 - 23 = 5110381049 is a prime.

It is a super-2 number, since 2×51103810572 = 52231989095488874498, which contains 22 as substring.

It is a deceptive number, since it divides R5110381056.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5110381357) 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, 14593 + ... + 102145.

It is an arithmetic number, because the mean of its divisors is an integer number (1277631745).

Almost surely, 25110381057 is an apocalyptic number.

5110381057 is the 58369-th pentagonal number.

It is an amenable number.

5110381057 is a deficient number, since it is larger than the sum of its proper divisors (145923).

5110381057 is an equidigital number, since it uses as much as digits as its factorization.

5110381057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145922.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 5110381057 is about 71486.9292738190. The cubic root of 5110381057 is about 1722.4677324570.

The spelling of 5110381057 in words is "five billion, one hundred ten million, three hundred eighty-one thousand, fifty-seven".

Divisors: 1 58369 87553 5110381057