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38398753936 = 24489892
BaseRepresentation
bin100011110000101111…
…100111110010010000
310200010002000210211201
4203300233213302100
51112120040111221
625350134320544
72526362010634
oct436057476220
9120102023751
1038398753936
1115315106194
1275377b9154
13380c40159a
141c03a70dc4
15eeb13d891
hex8f0be7c90

38398753936 has 15 divisors (see below), whose sum is σ = 74399104441. Its totient is φ = 19198985056.

The previous prime is 38398753919. The next prime is 38398753937. The reversal of 38398753936 is 63935789383.

The square root of 38398753936 is 195956.

It is a perfect power (a square), and thus also a powerful number.

38398753936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 14107536 + 38384646400 = 3756^2 + 195920^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38398753937) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 759330 + ... + 808318.

Almost surely, 238398753936 is an apocalyptic number.

38398753936 is the 195956-th square number.

It is an amenable number.

38398753936 is a deficient number, since it is larger than the sum of its proper divisors (36000350505).

38398753936 is an frugal number, since it uses more digits than its factorization.

38398753936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97986 (or 48991 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 64.

Multiplying 38398753936 by its sum of digits (64), we get a square (2457520251904 = 15676482).

The spelling of 38398753936 in words is "thirty-eight billion, three hundred ninety-eight million, seven hundred fifty-three thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 48989 97978 195956 391912 783824 2399922121 4799844242 9599688484 19199376968 38398753936