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14971556140 = 2253823195809
BaseRepresentation
bin11011111000101111…
…11101000100101100
31102122101121212001021
431330113331010230
5221130204244030
610513340223524
71040003061502
oct157427750454
942571555037
1014971556140
1163930647a2
122a99b3aba4
13154799a478
14a2053c672
155c959697a
hex37c5fd12c

14971556140 has 24 divisors (see below), whose sum is σ = 31448652480. Its totient is φ = 5987025408.

The previous prime is 14971556099. The next prime is 14971556189. The reversal of 14971556140 is 4165517941.

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, 21445 + ... + 174364.

It is an arithmetic number, because the mean of its divisors is an integer number (1310360520).

Almost surely, 214971556140 is an apocalyptic number.

14971556140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14971556140 is an abundant number, since it is smaller than the sum of its proper divisors (16477096340).

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

14971556140 is a wasteful number, since it uses less digits than its factorization.

14971556140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199641 (or 199639 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 14971556140 in words is "fourteen billion, nine hundred seventy-one million, five hundred fifty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 3823 7646 15292 19115 38230 76460 195809 391618 783236 979045 1958090 3916180 748577807 1497155614 2994311228 3742889035 7485778070 14971556140