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1431135069 = 371343112163
BaseRepresentation
bin101010101001101…
…0110001101011101
310200201221012020120
41111103112031131
510412332310234
6354002105153
750315306310
oct12523261535
93621835216
101431135069
11674924a61
1233b34b1b9
1319a6602b0
14d80d8977
1585995049
hex554d635d

1431135069 has 32 divisors (see below), whose sum is σ = 2354171904. Its totient is φ = 753071040.

The previous prime is 1431135067. The next prime is 1431135109. The reversal of 1431135069 is 9605311341.

It is not a de Polignac number, because 1431135069 - 21 = 1431135067 is a prime.

It is a super-2 number, since 2×14311350692 = 4096295171443269522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431135067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111582 + ... + 123744.

It is an arithmetic number, because the mean of its divisors is an integer number (73567872).

Almost surely, 21431135069 is an apocalyptic number.

It is an amenable number.

1431135069 is a deficient number, since it is larger than the sum of its proper divisors (923036835).

1431135069 is a wasteful number, since it uses less digits than its factorization.

1431135069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12617.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1431135069 is about 37830.3458747075. The cubic root of 1431135069 is about 1126.9211799210.

The spelling of 1431135069 in words is "one billion, four hundred thirty-one million, one hundred thirty-five thousand, sixty-nine".

Divisors: 1 3 7 13 21 39 91 273 431 1293 3017 5603 9051 12163 16809 36489 39221 85141 117663 158119 255423 474357 1106833 3320499 5242253 15726759 36695771 68149289 110087313 204447867 477045023 1431135069