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42564713550 = 2352283764757
BaseRepresentation
bin100111101001000011…
…011111110001001110
311001212102000111002020
4213221003133301032
51144133031313200
631315353311010
73034536044532
oct475103376116
9131772014066
1042564713550
1117062742317
1282baa05466
13402451c248
1420bb065bc2
151191c46ea0
hex9e90dfc4e

42564713550 has 24 divisors (see below), whose sum is σ = 105560489976. Its totient is φ = 11350590240.

The previous prime is 42564713549. The next prime is 42564713561. The reversal of 42564713550 is 5531746524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141882229 + ... + 141882528.

It is an arithmetic number, because the mean of its divisors is an integer number (4398353749).

Almost surely, 242564713550 is an apocalyptic number.

42564713550 is an abundant number, since it is smaller than the sum of its proper divisors (62995776426).

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

42564713550 is a wasteful number, since it uses less digits than its factorization.

42564713550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283764772 (or 283764767 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 42564713550 in words is "forty-two billion, five hundred sixty-four million, seven hundred thirteen thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 283764757 567529514 851294271 1418823785 1702588542 2837647570 4256471355 7094118925 8512942710 14188237850 21282356775 42564713550