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152640384656 = 24311312349181
BaseRepresentation
bin1000111000101000010…
…0110110111010010000
3112120222202210221200212
42032022010312322100
510000101414302111
6154042205103252
714012366601464
oct2161204667220
9476882727625
10152640384656
1159809577231
12256bab57b28
13115175c2046
1475603064a4
153e857da98b
hex238a136e90

152640384656 has 40 divisors (see below), whose sum is σ = 307611287808. Its totient is φ = 73294416000.

The previous prime is 152640384647. The next prime is 152640384667. The reversal of 152640384656 is 656483046251.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109615 + ... + 1239566.

Almost surely, 2152640384656 is an apocalyptic number.

152640384656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

152640384656 is an abundant number, since it is smaller than the sum of its proper divisors (154970903152).

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

152640384656 is a wasteful number, since it uses less digits than its factorization.

152640384656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349351 (or 2349345 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 152640384656 in words is "one hundred fifty-two billion, six hundred forty million, three hundred eighty-four thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 31 62 124 131 248 262 496 524 1048 2096 4061 8122 16244 32488 64976 2349181 4698362 9396724 18793448 37586896 72824611 145649222 291298444 307742711 582596888 615485422 1165193776 1230970844 2461941688 4923883376 9540024041 19080048082 38160096164 76320192328 152640384656