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38725747564 = 2271383062413
BaseRepresentation
bin100100000100001111…
…000000001101101100
310200221212022210202211
4210010033000031230
51113302242410224
625442415100204
72540442265060
oct440417001554
9120855283684
1038725747564
1115472747359
127609211664
133862090b3a
141c3526daa0
151019bd0894
hex9043c036c

38725747564 has 12 divisors (see below), whose sum is σ = 77451495184. Its totient is φ = 16596748944.

The previous prime is 38725747561. The next prime is 38725747573. The reversal of 38725747564 is 46574752783.

38725747564 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 38725747499 and 38725747508.

It is not an unprimeable number, because it can be changed into a prime (38725747561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691531179 + ... + 691531234.

Almost surely, 238725747564 is an apocalyptic number.

It is an amenable number.

38725747564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38725747564 is a wasteful number, since it uses less digits than its factorization.

38725747564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383062424 (or 1383062422 counting only the distinct ones).

The product of its digits is 39513600, while the sum is 58.

The spelling of 38725747564 in words is "thirty-eight billion, seven hundred twenty-five million, seven hundred forty-seven thousand, five hundred sixty-four".

Divisors: 1 2 4 7 14 28 1383062413 2766124826 5532249652 9681436891 19362873782 38725747564