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2872135113760 = 255119191775729
BaseRepresentation
bin101001110010111000100…
…101111101110000100000
3101011120111000221001021201
4221302320211331300200
5334024113042120020
610035235103130544
7414335120441143
oct51627045756040
911146430831251
102872135113760
11a0807a439180
123a47802a3a54
1317aac20bb9c3
149d02521805a
154ea9e081a0a
hex29cb897dc20

2872135113760 has 96 divisors (see below), whose sum is σ = 7410334377600. Its totient is φ = 1043275714560.

The previous prime is 2872135113751. The next prime is 2872135113779. The reversal of 2872135113760 is 673115312782.

It is a super-2 number, since 2×28721351137602 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2872135113760.

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, 729576 + ... + 2505304.

It is an arithmetic number, because the mean of its divisors is an integer number (77190983100).

Almost surely, 22872135113760 is an apocalyptic number.

2872135113760 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 2872135113760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3705167188800).

2872135113760 is an abundant number, since it is smaller than the sum of its proper divisors (4538199263840).

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

2872135113760 is a wasteful number, since it uses less digits than its factorization.

2872135113760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776674 (or 1776666 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 2872135113760 in words is "two trillion, eight hundred seventy-two billion, one hundred thirty-five million, one hundred thirteen thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 919 1760 1838 3676 4595 7352 9190 10109 14704 18380 20218 29408 36760 40436 50545 73520 80872 101090 147040 161744 202180 323488 404360 808720 1617440 1775729 3551458 7102916 8878645 14205832 17757290 19533019 28411664 35514580 39066038 56823328 71029160 78132076 97665095 142058320 156264152 195330190 284116640 312528304 390660380 625056608 781320760 1562641520 1631894951 3125283040 3263789902 6527579804 8159474755 13055159608 16318949510 17950844461 26110319216 32637899020 35901688922 52220638432 65275798040 71803377844 89754222305 130551596080 143606755688 179508444610 261103192160 287213511376 359016889220 574427022752 718033778440 1436067556880 2872135113760