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38628542937 = 340933145903
BaseRepresentation
bin100011111110011100…
…001100100111011001
310200201002102022002110
4203332130030213121
51113102401333222
625425023422533
72535152124465
oct437634144731
9120632368073
1038628542937
1115422895056
1275a0754a49
133847bb87ca
141c263a94a5
1510113ce30c
hex8fe70c9d9

38628542937 has 8 divisors (see below), whose sum is σ = 51517323904. Its totient is φ = 25746061968.

The previous prime is 38628542881. The next prime is 38628542951. The reversal of 38628542937 is 73924582683.

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

It is not a de Polignac number, because 38628542937 - 211 = 38628540889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38628542977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560673 + ... + 1585230.

It is an arithmetic number, because the mean of its divisors is an integer number (6439665488).

Almost surely, 238628542937 is an apocalyptic number.

It is an amenable number.

38628542937 is a deficient number, since it is larger than the sum of its proper divisors (12888780967).

38628542937 is a wasteful number, since it uses less digits than its factorization.

38628542937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149999.

The product of its digits is 17418240, while the sum is 57.

The spelling of 38628542937 in words is "thirty-eight billion, six hundred twenty-eight million, five hundred forty-two thousand, nine hundred thirty-seven".

Divisors: 1 3 4093 12279 3145903 9437709 12876180979 38628542937