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642264970060 = 22576173743173
BaseRepresentation
bin10010101100010011111…
…10011011001101001100
32021101210112211222210201
421112021332123031030
541010324313020220
61211015155143244
764254632112040
oct11261176331514
92241715758721
10642264970060
1122842391711a
12a45852a4b24
134874703b62c
142312b5a2020
1511a90606d0a
hex9589f9b34c

642264970060 has 48 divisors (see below), whose sum is σ = 1541687708736. Its totient is φ = 220169164032.

The previous prime is 642264970021. The next prime is 642264970129. The reversal of 642264970060 is 60079462246.

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, 492634 + ... + 1235806.

It is an arithmetic number, because the mean of its divisors is an integer number (32118493932).

Almost surely, 2642264970060 is an apocalyptic number.

It is an amenable number.

642264970060 is an abundant number, since it is smaller than the sum of its proper divisors (899422738676).

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

642264970060 is a wasteful number, since it uses less digits than its factorization.

642264970060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749362 (or 749360 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 642264970060 in words is "six hundred forty-two billion, two hundred sixty-four million, nine hundred seventy thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 6173 12346 24692 30865 43211 61730 86422 123460 172844 216055 432110 743173 864220 1486346 2972692 3715865 5202211 7431730 10404422 14863460 20808844 26011055 52022110 104044220 4587606929 9175213858 18350427716 22938034645 32113248503 45876069290 64226497006 91752138580 128452994012 160566242515 321132485030 642264970060