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40263357121 = 1319652924967
BaseRepresentation
bin100101011111111000…
…100001001011000001
310211221000121110112221
4211133320201023001
51124424404411441
630255143251041
72623522613551
oct453770411301
9124830543487
1040263357121
1116091685159
127978149a81
133a487c0890
141d3d563161
1510a9ba88d1
hex95fe212c1

40263357121 has 16 divisors (see below), whose sum is σ = 45651491200. Its totient is φ = 35203258368.

The previous prime is 40263357109. The next prime is 40263357157. The reversal of 40263357121 is 12175336204.

It is a de Polignac number, because none of the positive numbers 2k-40263357121 is a prime.

It is a super-2 number, since 2×402633571212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40263357221) 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 15 ways as a sum of consecutive naturals, for example, 1600180 + ... + 1625146.

It is an arithmetic number, because the mean of its divisors is an integer number (2853218200).

Almost surely, 240263357121 is an apocalyptic number.

It is an amenable number.

40263357121 is a deficient number, since it is larger than the sum of its proper divisors (5388134079).

40263357121 is a wasteful number, since it uses less digits than its factorization.

40263357121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31528.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 40263357121 in words is "forty billion, two hundred sixty-three million, three hundred fifty-seven thousand, one hundred twenty-one".

Divisors: 1 13 19 247 6529 24967 84877 124051 324571 474373 1612663 6166849 163009543 2119124059 3097181317 40263357121