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5205131155 = 57179830827
BaseRepresentation
bin1001101100011111…
…11111111110010011
3111102202101001121101
410312033333332103
541130003144110
62220300005231
7242662612330
oct46617777623
914382331541
105205131155
112231185094
121013230817
1364c4c1583
1437541b987
15206e7613a
hex1363fff93

5205131155 has 16 divisors (see below), whose sum is σ = 7178353920. Its totient is φ = 3549288672.

The previous prime is 5205131153. The next prime is 5205131161. The reversal of 5205131155 is 5511315025.

It is a cyclic number.

It is not a de Polignac number, because 5205131155 - 21 = 5205131153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5205131153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409149 + ... + 421678.

It is an arithmetic number, because the mean of its divisors is an integer number (448647120).

Almost surely, 25205131155 is an apocalyptic number.

5205131155 is a deficient number, since it is larger than the sum of its proper divisors (1973222765).

5205131155 is a wasteful number, since it uses less digits than its factorization.

5205131155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831018.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 5205131155 is about 72146.5948953934. The cubic root of 5205131155 is about 1733.0478704165.

The spelling of 5205131155 in words is "five billion, two hundred five million, one hundred thirty-one thousand, one hundred fifty-five".

Divisors: 1 5 7 35 179 895 1253 6265 830827 4154135 5815789 29078945 148718033 743590165 1041026231 5205131155