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38708568464 = 245897410257
BaseRepresentation
bin100100000011001101…
…011110000110010000
310200220200000000110212
4210003031132012100
51113233343142324
625441002543252
72540143255166
oct440315360620
9120820000425
1038708568464
1115463a83455
127603507b28
13385b6576a7
141c32c7b236
15101843a70e
hex90335e190

38708568464 has 20 divisors (see below), whose sum is σ = 75010752204. Its totient is φ = 19350955008.

The previous prime is 38708568449. The next prime is 38708568473. The reversal of 38708568464 is 46486580783.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36986982400 + 1721586064 = 192320^2 + 41492^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110777 + ... + 299480.

Almost surely, 238708568464 is an apocalyptic number.

It is an amenable number.

38708568464 is a deficient number, since it is larger than the sum of its proper divisors (36302183740).

38708568464 is a wasteful number, since it uses less digits than its factorization.

38708568464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416162 (or 416156 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 59.

The spelling of 38708568464 in words is "thirty-eight billion, seven hundred eight million, five hundred sixty-eight thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 5897 11794 23588 47176 94352 410257 820514 1641028 3282056 6564112 2419285529 4838571058 9677142116 19354284232 38708568464