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238732208072 = 2322727612
BaseRepresentation
bin1101111001010110001…
…1000110011111001000
3211211012122202201102022
43132111203012133020
512402410421124242
6301401055424012
723151002200301
oct3362543063710
9754178681368
10238732208072
1192278120416
123a326b25008
13196878327a7
14b7aa1537a8
1563239ce0d2
hex37958c67c8

238732208072 has 36 divisors (see below), whose sum is σ = 450195066465. Its totient is φ = 118684098880.

The previous prime is 238732208069. The next prime is 238732208089. The reversal of 238732208072 is 270802237832.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 131584660516 + 107147547556 = 362746^2 + 327334^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=345494.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 313708172 + ... + 313708932.

Almost surely, 2238732208072 is an apocalyptic number.

It is an amenable number.

238732208072 is a deficient number, since it is larger than the sum of its proper divisors (211462858393).

238732208072 is an frugal number, since it uses more digits than its factorization.

238732208072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 238732208072 in words is "two hundred thirty-eight billion, seven hundred thirty-two million, two hundred eight thousand, seventy-two".

Divisors: 1 2 4 8 227 454 761 908 1522 1816 3044 6088 51529 103058 172747 206116 345494 412232 579121 690988 1158242 1381976 2316484 4632968 39213569 78427138 131460467 156854276 262920934 313708552 525841868 1051683736 29841526009 59683052018 119366104036 238732208072