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2680879871456 = 251732191153089
BaseRepresentation
bin100111000000110000111…
…001000111010111100000
3100111021211010110002011222
4213000300321013113200
5322410420221341311
65411325035354212
7364454462630423
oct47006071072740
910437733402158
102680879871456
11943a55884956
123736a52b2968
13165a626c3287
1493a806a99ba
1549b086bbadb
hex27030e475e0

2680879871456 has 48 divisors (see below), whose sum is σ = 5588661899520. Its totient is φ = 1261543096320.

The previous prime is 2680879871437. The next prime is 2680879871477. The reversal of 2680879871456 is 6541789780862.

It is a self number, because there is not a number n which added to its sum of digits gives 2680879871456.

It is a congruent number.

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, 17435360 + ... + 17588448.

It is an arithmetic number, because the mean of its divisors is an integer number (116430456240).

Almost surely, 22680879871456 is an apocalyptic number.

It is an amenable number.

2680879871456 is an abundant number, since it is smaller than the sum of its proper divisors (2907782028064).

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

2680879871456 is a wasteful number, since it uses less digits than its factorization.

2680879871456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185307 (or 185299 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 71.

The spelling of 2680879871456 in words is "two trillion, six hundred eighty billion, eight hundred seventy-nine million, eight hundred seventy-one thousand, four hundred fifty-six".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 32191 64382 128764 153089 257528 306178 515056 547247 612356 1030112 1094494 1224712 2188988 2449424 2602513 4377976 4898848 5205026 8755952 10410052 17511904 20820104 41640208 83280416 4928087999 9856175998 19712351996 39424703992 78849407984 83777495983 157698815968 167554991966 335109983932 670219967864 1340439935728 2680879871456