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38717460674513 = 284701135993413
BaseRepresentation
bin10001100110110100111000…
…11111010111011111010001
312002002100112101220201121222
420303122130133113133101
520033321324413041023
6214202320023254425
711104146524461535
oct1063323437273721
9162070471821558
1038717460674513
1111377a8a2090a5
1244138532aa415
13187b06ba59cba
1497bd13c89bc5
154721e3b69cc8
hex23369c7d77d1

38717460674513 has 4 divisors (see below), whose sum is σ = 38717596952628. Its totient is φ = 38717324396400.

The previous prime is 38717460674467. The next prime is 38717460674521. The reversal of 38717460674513 is 31547606471783.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23088342131089 + 15629118543424 = 4805033^2 + 3953368^2 .

It is a cyclic number.

It is not a de Polignac number, because 38717460674513 - 220 = 38717459625937 is a prime.

It is a super-2 number, since 2×387174606745132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38717460674533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67712006 + ... + 68281407.

It is an arithmetic number, because the mean of its divisors is an integer number (9679399238157).

Almost surely, 238717460674513 is an apocalyptic number.

It is an amenable number.

38717460674513 is a deficient number, since it is larger than the sum of its proper divisors (136278115).

38717460674513 is a wasteful number, since it uses less digits than its factorization.

38717460674513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136278114.

The product of its (nonzero) digits is 71124480, while the sum is 62.

The spelling of 38717460674513 in words is "thirty-eight trillion, seven hundred seventeen billion, four hundred sixty million, six hundred seventy-four thousand, five hundred thirteen".

Divisors: 1 284701 135993413 38717460674513