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2855166342478 = 219894611831289
BaseRepresentation
bin101001100011000101001…
…011001111010101001110
3101002221200110012011010021
4221203011023033111032
5333234340040424403
610023351215332354
7413164453323562
oct51430513172516
911087613164107
102855166342478
11a00961a6a15a
123a14255210ba
13179319710938
149c2957476a2
154e4094c78bd
hex298c52cf54e

2855166342478 has 32 divisors (see below), whose sum is σ = 4568702292000. Its totient is φ = 1334349688320.

The previous prime is 2855166342439. The next prime is 2855166342487. The reversal of 2855166342478 is 8742436615582.

2855166342478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 643458 + ... + 2474746.

It is an arithmetic number, because the mean of its divisors is an integer number (142771946625).

Almost surely, 22855166342478 is an apocalyptic number.

2855166342478 is a deficient number, since it is larger than the sum of its proper divisors (1713535949522).

2855166342478 is a wasteful number, since it uses less digits than its factorization.

2855166342478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831860.

The product of its digits is 77414400, while the sum is 61.

The spelling of 2855166342478 in words is "two trillion, eight hundred fifty-five billion, one hundred sixty-six million, three hundred forty-two thousand, four hundred seventy-eight".

Divisors: 1 2 19 38 89 178 461 922 1691 3382 8759 17518 41029 82058 779551 1559102 1831289 3662578 34794491 69588982 162984721 325969442 844224229 1688448458 3096709699 6193419398 16040260351 32080520702 75135956381 150271912762 1427583171239 2855166342478