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1013642465 = 511173106531
BaseRepresentation
bin111100011010101…
…111010011100001
32121122100101001112
4330122233103201
54033443024330
6244325513105
734055550563
oct7432572341
92548311045
101013642465
114801a1650
12243572795
13132005954
149889d333
155dec8795
hex3c6af4e1

1013642465 has 16 divisors (see below), whose sum is σ = 1334632896. Its totient is φ = 732926400.

The previous prime is 1013642387. The next prime is 1013642477. The reversal of 1013642465 is 5642463101.

It is not a de Polignac number, because 1013642465 - 28 = 1013642209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 43751 + ... + 62780.

It is an arithmetic number, because the mean of its divisors is an integer number (83414556).

Almost surely, 21013642465 is an apocalyptic number.

It is an amenable number.

1013642465 is a deficient number, since it is larger than the sum of its proper divisors (320990431).

1013642465 is a wasteful number, since it uses less digits than its factorization.

1013642465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106720.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1013642465 is about 31837.7521976662. The cubic root of 1013642465 is about 1004.5269640059.

The spelling of 1013642465 in words is "one billion, thirteen million, six hundred forty-two thousand, four hundred sixty-five".

Divisors: 1 5 11 55 173 865 1903 9515 106531 532655 1171841 5859205 18429863 92149315 202728493 1013642465