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2153145661160 = 235134140664733
BaseRepresentation
bin11111010101010001011…
…110110111011011101000
321121211122102102111201112
4133111101132313123220
5240234120242124120
64325050320005452
7311362646101064
oct37252136673350
97554572374645
102153145661160
117601646587aa
122a9364160888
1312806b7380a0
14762d9d22aa4
153b01cd24bc5
hex1f5517b76e8

2153145661160 has 32 divisors (see below), whose sum is σ = 5217237564840. Its totient is φ = 795007628544.

The previous prime is 2153145661111. The next prime is 2153145661189. The reversal of 2153145661160 is 611665413512.

It can be written as a sum of positive squares in 4 ways, for example, as 1584542193796 + 568603467364 = 1258786^2 + 754058^2 .

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, 2070331847 + ... + 2070332886.

Almost surely, 22153145661160 is an apocalyptic number.

2153145661160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153145661160 is an abundant number, since it is smaller than the sum of its proper divisors (3064091903680).

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

2153145661160 is a wasteful number, since it uses less digits than its factorization.

2153145661160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140664757 (or 4140664753 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 2153145661160 in words is "two trillion, one hundred fifty-three billion, one hundred forty-five million, six hundred sixty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 4140664733 8281329466 16562658932 20703323665 33125317864 41406647330 53828641529 82813294660 107657283058 165626589320 215314566116 269143207645 430629132232 538286415290 1076572830580 2153145661160