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389426950560 = 25351747723891
BaseRepresentation
bin1011010101010111010…
…01111011000110100000
31101020011211111210211010
411222223221323012200
522340021244404220
6454522243020520
740064235314664
oct5525351730640
91336154453733
10389426950560
111401783a790a
126358236a740
132a95200027b
1414bc3cb08a4
15a1e35931e0
hex5aaba7b1a0

389426950560 has 96 divisors (see below), whose sum is σ = 1298853444672. Its totient is φ = 97738526720.

The previous prime is 389426950559. The next prime is 389426950651. The reversal of 389426950560 is 65059624983.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 389426950560.

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, 23853786 + ... + 23870105.

It is an arithmetic number, because the mean of its divisors is an integer number (13529723382).

Almost surely, 2389426950560 is an apocalyptic number.

389426950560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

389426950560 is an abundant number, since it is smaller than the sum of its proper divisors (909426494112).

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

389426950560 is a wasteful number, since it uses less digits than its factorization.

389426950560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47723926 (or 47723918 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 57.

The spelling of 389426950560 in words is "three hundred eighty-nine billion, four hundred twenty-six million, nine hundred fifty thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 68 80 85 96 102 120 136 160 170 204 240 255 272 340 408 480 510 544 680 816 1020 1360 1632 2040 2720 4080 8160 47723891 95447782 143171673 190895564 238619455 286343346 381791128 477238910 572686692 715858365 763582256 811306147 954477820 1145373384 1431716730 1527164512 1622612294 1908955640 2290746768 2433918441 2863433460 3245224588 3817911280 4056530735 4581493536 4867836882 5726866920 6490449176 7635822560 8113061470 9735673764 11453733840 12169592205 12980898352 16226122940 19471347528 22907467680 24339184410 25961796704 32452245880 38942695056 48678368820 64904491760 77885390112 97356737640 129808983520 194713475280 389426950560