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42024496640 = 29572345117
BaseRepresentation
bin100111001000110110…
…101110111000000000
311000110202111121210112
4213020312232320000
51142031232343030
631150014450452
73015256220240
oct471066567000
9130422447715
1042024496640
1116905807365
128189b03a28
133c69625979
142069401b20
15115e5d7a95
hex9c8daee00

42024496640 has 80 divisors (see below), whose sum is σ = 115154674272. Its totient is φ = 14408392704.

The previous prime is 42024496639. The next prime is 42024496663. The reversal of 42024496640 is 4669442024.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 1154639 + ... + 1190478.

Almost surely, 242024496640 is an apocalyptic number.

42024496640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42024496640 is an abundant number, since it is smaller than the sum of its proper divisors (73130177632).

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

42024496640 is an equidigital number, since it uses as much as digits as its factorization.

42024496640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345147 (or 2345131 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 42024496640 in words is "forty-two billion, twenty-four million, four hundred ninety-six thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 512 560 640 896 1120 1280 1792 2240 2560 3584 4480 8960 17920 2345117 4690234 9380468 11725585 16415819 18760936 23451170 32831638 37521872 46902340 65663276 75043744 82079095 93804680 131326552 150087488 164158190 187609360 262653104 300174976 328316380 375218720 525306208 600349952 656632760 750437440 1050612416 1200699904 1313265520 1500874880 2101224832 2626531040 3001749760 4202449664 5253062080 6003499520 8404899328 10506124160 21012248320 42024496640