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38149452963 = 328263512989
BaseRepresentation
bin100011100001111000…
…100111010010100011
310122110200221000012100
4203201320213102203
51111112224443323
625305311101443
72520243666636
oct434170472243
9118420830170
1038149452963
11151a740a726
127488211883
13379c87510b
141bbc8d7c1d
15ed42e6943
hex8e1e274a3

38149452963 has 12 divisors (see below), whose sum is σ = 55111541680. Its totient is φ = 25429841136.

The previous prime is 38149452961. The next prime is 38149452967. The reversal of 38149452963 is 36925494183.

It is not a de Polignac number, because 38149452963 - 21 = 38149452961 is a prime.

It is a super-2 number, since 2×381494529632 (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38149452961) 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 11 ways as a sum of consecutive naturals, for example, 182128 + ... + 330861.

Almost surely, 238149452963 is an apocalyptic number.

38149452963 is a deficient number, since it is larger than the sum of its proper divisors (16962088717).

38149452963 is a wasteful number, since it uses less digits than its factorization.

38149452963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521258 (or 521255 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 38149452963 in words is "thirty-eight billion, one hundred forty-nine million, four hundred fifty-two thousand, nine hundred sixty-three".

Divisors: 1 3 9 8263 24789 74367 512989 1538967 4616901 4238828107 12716484321 38149452963