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2570081553920 = 2951049957043
BaseRepresentation
bin100101011001100100110…
…011000100111000000000
3100002200211101212101000202
4211121210303010320000
5314102011334211140
65244402411104332
7353453005521536
oct45314463047000
910080741771022
102570081553920
11900a69042a91
123561231420a8
131584859b223a
148c56d478156
1546cc1480915
hex25664cc4e00

2570081553920 has 80 divisors (see below), whose sum is σ = 6168052875600. Its totient is φ = 1027051536384.

The previous prime is 2570081553913. The next prime is 2570081553929. The reversal of 2570081553920 is 293551800752.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2570081553929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206919 + ... + 3163961.

It is an arithmetic number, because the mean of its divisors is an integer number (77100660945).

Almost surely, 22570081553920 is an apocalyptic number.

2570081553920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2570081553920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3084026437800).

2570081553920 is an abundant number, since it is smaller than the sum of its proper divisors (3597971321680).

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

2570081553920 is an equidigital number, since it uses as much as digits as its factorization.

2570081553920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958115 (or 958099 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 2570081553920 in words is "two trillion, five hundred seventy billion, eighty-one million, five hundred fifty-three thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1049 1280 2098 2560 4196 5245 8392 10490 16784 20980 33568 41960 67136 83920 134272 167840 268544 335680 537088 671360 957043 1342720 1914086 2685440 3828172 4785215 7656344 9570430 15312688 19140860 30625376 38281720 61250752 76563440 122501504 153126880 245003008 306253760 490006016 612507520 1003938107 1225015040 2007876214 2450030080 4015752428 5019690535 8031504856 10039381070 16063009712 20078762140 32126019424 40157524280 64252038848 80315048560 128504077696 160630097120 257008155392 321260194240 514016310784 642520388480 1285040776960 2570081553920