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2772921090680 = 235135332540559
BaseRepresentation
bin101000010110011110111…
…110100000001001111000
3100211002101122020110200022
4220112132332200021320
5330412420244400210
65521510134230012
7404223366242426
oct50263676401170
910732348213608
102772921090680
11979a97736184
123894b17b5308
13171640392380
14982d2712116
154c1e3d4e155
hex2859efa0278

2772921090680 has 32 divisors (see below), whose sum is σ = 6719001105600. Its totient is φ = 1023847787136.

The previous prime is 2772921090679. The next prime is 2772921090689. The reversal of 2772921090680 is 860901292772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772921090689) 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, 2666269760 + ... + 2666270799.

It is an arithmetic number, because the mean of its divisors is an integer number (209968784550).

Almost surely, 22772921090680 is an apocalyptic number.

2772921090680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2772921090680 is an abundant number, since it is smaller than the sum of its proper divisors (3946080014920).

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

2772921090680 is a wasteful number, since it uses less digits than its factorization.

2772921090680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5332540583 (or 5332540579 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 2772921090680 in words is "two trillion, seven hundred seventy-two billion, nine hundred twenty-one million, ninety thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 5332540559 10665081118 21330162236 26662702795 42660324472 53325405590 69323027267 106650811180 138646054534 213301622360 277292109068 346615136335 554584218136 693230272670 1386460545340 2772921090680