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5148884815 = 51029776963
BaseRepresentation
bin1001100101110010…
…11011111101001111
3111021211112110010121
410302321123331033
541021103303230
62210530245411
7241410540664
oct46271337517
914254473117
105148884815
112202458408
12bb8426867
1364095a009
1436bb79a6b
1520206577a
hex132e5bf4f

5148884815 has 4 divisors (see below), whose sum is σ = 6178661784. Its totient is φ = 4119107848.

The previous prime is 5148884773. The next prime is 5148884821. The reversal of 5148884815 is 5184888415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5148884815 - 219 = 5148360527 is a prime.

It is a super-2 number, since 2×51488848152 = 53022029676275168450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514888477 + ... + 514888486.

It is an arithmetic number, because the mean of its divisors is an integer number (1544665446).

Almost surely, 25148884815 is an apocalyptic number.

5148884815 is a deficient number, since it is larger than the sum of its proper divisors (1029776969).

5148884815 is a wasteful number, since it uses less digits than its factorization.

5148884815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029776968.

The product of its digits is 1638400, while the sum is 52.

The square root of 5148884815 is about 71755.7301893027. The cubic root of 5148884815 is about 1726.7828451060.

The spelling of 5148884815 in words is "five billion, one hundred forty-eight million, eight hundred eighty-four thousand, eight hundred fifteen".

Divisors: 1 5 1029776963 5148884815