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56472046540 = 22571331028597
BaseRepresentation
bin110100100101111111…
…110000101111001100
312101202122010012102021
4310211333300233030
51411123320442130
641535355535524
74036300322050
oct644577605714
9171678105367
1056472046540
1121a49aa8448
12ab4045a5a4
13542c884270
142a3a0d9c60
151707b7337a
hexd25ff0bcc

56472046540 has 48 divisors (see below), whose sum is σ = 145958524992. Its totient is φ = 17872471296.

The previous prime is 56472046537. The next prime is 56472046597. The reversal of 56472046540 is 4564027465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15512479 + ... + 15516118.

It is an arithmetic number, because the mean of its divisors is an integer number (3040802604).

Almost surely, 256472046540 is an apocalyptic number.

It is an amenable number.

56472046540 is an abundant number, since it is smaller than the sum of its proper divisors (89486478452).

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

56472046540 is a wasteful number, since it uses less digits than its factorization.

56472046540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31028626 (or 31028624 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 56472046540 in words is "fifty-six billion, four hundred seventy-two million, forty-six thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 31028597 62057194 124114388 155142985 217200179 310285970 403371761 434400358 620571940 806743522 868800716 1086000895 1613487044 2016858805 2172001790 2823602327 4033717610 4344003580 5647204654 8067435220 11294409308 14118011635 28236023270 56472046540