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38631614386 = 229666062317
BaseRepresentation
bin100011111110100111…
…111010011110110010
310200201022012100022211
4203332213322132302
51113104143130021
625425213322334
72535220206241
oct437647723662
9120638170284
1038631614386
11154245a2742
1275a17963aa
133848722831
141c26968958
1510117d93e1
hex8fe9fa7b2

38631614386 has 8 divisors (see below), whose sum is σ = 59945608620. Its totient is φ = 18649744848.

The previous prime is 38631614363. The next prime is 38631614389. The reversal of 38631614386 is 68341613683.

It can be written as a sum of positive squares in 2 ways, for example, as 37112096025 + 1519518361 = 192645^2 + 38981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×386316143863 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (38631614389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333031101 + ... + 333031216.

Almost surely, 238631614386 is an apocalyptic number.

38631614386 is a deficient number, since it is larger than the sum of its proper divisors (21313994234).

38631614386 is a wasteful number, since it uses less digits than its factorization.

38631614386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666062348.

The product of its digits is 1492992, while the sum is 49.

The spelling of 38631614386 in words is "thirty-eight billion, six hundred thirty-one million, six hundred fourteen thousand, three hundred eighty-six".

Divisors: 1 2 29 58 666062317 1332124634 19315807193 38631614386