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38485023317 = 1317199165283
BaseRepresentation
bin100011110101111000…
…101101101001010101
310200100002100202011222
4203311320231221111
51112304131221232
625402455340125
72531460205106
oct436570555125
9120302322158
1038485023317
11153598796a4
127560681645
133824248460
141c112ca3ad
1510039ced12
hex8f5e2da55

38485023317 has 16 divisors (see below), whose sum is σ = 46193031360. Its totient is φ = 31675214592.

The previous prime is 38485023307. The next prime is 38485023331. The reversal of 38485023317 is 71332058483.

It is a cyclic number.

It is not a de Polignac number, because 38485023317 - 28 = 38485023061 is a prime.

It is a super-3 number, since 3×384850233173 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38485023307) 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, 4578443 + ... + 4586840.

It is an arithmetic number, because the mean of its divisors is an integer number (2887064460).

Almost surely, 238485023317 is an apocalyptic number.

It is an amenable number.

38485023317 is a deficient number, since it is larger than the sum of its proper divisors (7708008043).

38485023317 is a wasteful number, since it uses less digits than its factorization.

38485023317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9165332.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 38485023317 in words is "thirty-eight billion, four hundred eighty-five million, twenty-three thousand, three hundred seventeen".

Divisors: 1 13 17 19 221 247 323 4199 9165283 119148679 155809811 174140377 2025527543 2263824901 2960386409 38485023317