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5155653785 = 52921226077
BaseRepresentation
bin1001100110100110…
…10000100010011001
3111022022021100102012
410303103100202121
541024321410120
62211331315305
7241522222412
oct46323204231
914268240365
105155653785
112206260aa7
12bba74bb35
1364218a019
1436ca1c809
152029511c5
hex1334d0899

5155653785 has 12 divisors (see below), whose sum is σ = 6407483628. Its totient is φ = 3982294848.

The previous prime is 5155653779. The next prime is 5155653787. The reversal of 5155653785 is 5873565515.

5155653785 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 185967769 + 4969686016 = 13637^2 + 70496^2 .

It is not a de Polignac number, because 5155653785 - 212 = 5155649689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5155653787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608834 + ... + 617243.

It is an arithmetic number, because the mean of its divisors is an integer number (533956969).

Almost surely, 25155653785 is an apocalyptic number.

It is an amenable number.

5155653785 is a deficient number, since it is larger than the sum of its proper divisors (1251829843).

5155653785 is a wasteful number, since it uses less digits than its factorization.

5155653785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226140 (or 1226111 counting only the distinct ones).

The product of its digits is 3150000, while the sum is 50.

The square root of 5155653785 is about 71802.8814533233. The cubic root of 5155653785 is about 1727.5392174939.

The spelling of 5155653785 in words is "five billion, one hundred fifty-five million, six hundred fifty-three thousand, seven hundred eighty-five".

Divisors: 1 5 29 145 841 4205 1226077 6130385 35556233 177781165 1031130757 5155653785