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5305680553 = 25253210101
BaseRepresentation
bin1001111000011111…
…00100001010101001
3111200202120111110011
410330033210022221
541331223234203
62234251051521
7245323353265
oct47417441251
914622514404
105305680553
112282a11368
121040a40ba1
13667298164
143849130a5
15210bd876d
hex13c3e42a9

5305680553 has 4 divisors (see below), whose sum is σ = 5305915908. Its totient is φ = 5305445200.

The previous prime is 5305680533. The next prime is 5305680559. The reversal of 5305680553 is 3550865035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3550865035 = 5710173007.

It can be written as a sum of positive squares in 2 ways, for example, as 2979740569 + 2325939984 = 54587^2 + 48228^2 .

It is a cyclic number.

It is not a de Polignac number, because 5305680553 - 25 = 5305680521 is a prime.

It is a super-2 number, since 2×53056805532 = 56300492260964771618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5305680559) 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, 79798 + ... + 130303.

It is an arithmetic number, because the mean of its divisors is an integer number (1326478977).

Almost surely, 25305680553 is an apocalyptic number.

It is an amenable number.

5305680553 is a deficient number, since it is larger than the sum of its proper divisors (235355).

5305680553 is a wasteful number, since it uses less digits than its factorization.

5305680553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235354.

The product of its (nonzero) digits is 270000, while the sum is 40.

The square root of 5305680553 is about 72840.1026427064. The cubic root of 5305680553 is about 1744.1360795021.

The spelling of 5305680553 in words is "five billion, three hundred five million, six hundred eighty thousand, five hundred fifty-three".

Divisors: 1 25253 210101 5305680553