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15314542240 = 25595715889
BaseRepresentation
bin11100100001101000…
…10101111010100000
31110112022000100112011
432100310111322200
5222331010322430
611011351442304
71051336314124
oct162064257240
943468010464
1015314542240
116549729288
122b74986394
1315a0a6901a
14a53d01584
155e974722a
hex390d15ea0

15314542240 has 24 divisors (see below), whose sum is σ = 36180606420. Its totient is φ = 6125816832.

The previous prime is 15314542223. The next prime is 15314542273. The reversal of 15314542240 is 4224541351.

It can be written as a sum of positive squares in 2 ways, for example, as 13753660176 + 1560882064 = 117276^2 + 39508^2 .

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, 47857785 + ... + 47858104.

Almost surely, 215314542240 is an apocalyptic number.

15314542240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15314542240 is an abundant number, since it is smaller than the sum of its proper divisors (20866064180).

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

15314542240 is an equidigital number, since it uses as much as digits as its factorization.

15314542240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95715904 (or 95715896 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 15314542240 in words is "fifteen billion, three hundred fourteen million, five hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 95715889 191431778 382863556 478579445 765727112 957158890 1531454224 1914317780 3062908448 3828635560 7657271120 15314542240