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1320560452160 = 2659742543829
BaseRepresentation
bin10011001101110111100…
…010010110001001000000
311200020121010110122022022
4103031313202112021000
5133114001433432120
62450353533301012
7164256501431525
oct23156742261100
94606533418268
101320560452160
1146a056a48214
12193b25034768
13976b3931b71
1447cb608114c
152453de9b025
hex13377896240

1320560452160 has 56 divisors (see below), whose sum is σ = 3177003049080. Its totient is φ = 522778558464.

The previous prime is 1320560452157. The next prime is 1320560452171. The reversal of 1320560452160 is 612540650231.

It can be written as a sum of positive squares in 4 ways, for example, as 32734941184 + 1287825510976 = 180928^2 + 1134824^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1320560452160.

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, 21240875 + ... + 21302954.

It is an arithmetic number, because the mean of its divisors is an integer number (56732197305).

Almost surely, 21320560452160 is an apocalyptic number.

1320560452160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320560452160 is an abundant number, since it is smaller than the sum of its proper divisors (1856442596920).

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

1320560452160 is an equidigital number, since it uses as much as digits as its factorization.

1320560452160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42543943 (or 42543933 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 1320560452160 in words is "one trillion, three hundred twenty billion, five hundred sixty million, four hundred fifty-two thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 97 160 194 320 388 485 776 970 1552 1940 3104 3880 6208 7760 15520 31040 42543829 85087658 170175316 212719145 340350632 425438290 680701264 850876580 1361402528 1701753160 2722805056 3403506320 4126751413 6807012640 8253502826 13614025280 16507005652 20633757065 33014011304 41267514130 66028022608 82535028260 132056045216 165070056520 264112090432 330140113040 660280226080 1320560452160