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42800781464 = 2372293765023
BaseRepresentation
bin100111110111001000…
…000001100010011000
311002110212012222101022
4213313020001202120
51200124000001324
631355025142012
73043433432300
oct476710014230
9132425188338
1042800781464
1117173a1a671
128365a8a908
1340613c43bc
142100556600
1511a782805e
hex9f7201898

42800781464 has 48 divisors (see below), whose sum is σ = 96572865600. Its totient is φ = 17710663488.

The previous prime is 42800781437. The next prime is 42800781479. The reversal of 42800781464 is 46418700824.

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, 1871144 + ... + 1893879.

It is an arithmetic number, because the mean of its divisors is an integer number (2011934700).

Almost surely, 242800781464 is an apocalyptic number.

It is an amenable number.

42800781464 is an abundant number, since it is smaller than the sum of its proper divisors (53772084136).

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

42800781464 is a wasteful number, since it uses less digits than its factorization.

42800781464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765072 (or 3765061 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 42800781464 in words is "forty-two billion, eight hundred million, seven hundred eighty-one thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 29 49 56 58 98 116 196 203 232 392 406 812 1421 1624 2842 5684 11368 3765023 7530046 15060092 26355161 30120184 52710322 105420644 109185667 184486127 210841288 218371334 368972254 436742668 737944508 764299669 873485336 1475889016 1528599338 3057198676 5350097683 6114397352 10700195366 21400390732 42800781464