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1017103631 = 23291937901
BaseRepresentation
bin111100100111111…
…100010100001111
32121212212012212212
4330213330110033
54040334304011
6244532021035
734130144465
oct7447742417
92555765785
101017103631
11482146015
1224476177b
1313294818b
1499120835
155e45e08b
hex3c9fc50f

1017103631 has 16 divisors (see below), whose sum is σ = 1103751360. Its totient is φ = 934348800.

The previous prime is 1017103603. The next prime is 1017103643. The reversal of 1017103631 is 1363017101.

It is a cyclic number.

It is not a de Polignac number, because 1017103631 - 222 = 1012909327 is a prime.

It is a super-2 number, since 2×10171036312 = 2068999592386768322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1017103597 and 1017103606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017103601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124781 + ... + 132681.

It is an arithmetic number, because the mean of its divisors is an integer number (68984460).

Almost surely, 21017103631 is an apocalyptic number.

1017103631 is a deficient number, since it is larger than the sum of its proper divisors (86647729).

1017103631 is a wasteful number, since it uses less digits than its factorization.

1017103631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1017103631 is about 31892.0621942201. The cubic root of 1017103631 is about 1005.6690119077.

The spelling of 1017103631 in words is "one billion, seventeen million, one hundred three thousand, six hundred thirty-one".

Divisors: 1 23 29 193 667 4439 5597 7901 128731 181723 229129 1524893 5269967 35072539 44221897 1017103631