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52067015980 = 2257371907257
BaseRepresentation
bin110000011111011011…
…111001110100101100
311222101122021110111021
4300133123321310230
51323113124002410
635530320503524
73522161222260
oct603733716454
9158348243437
1052067015980
1120099522821
12a11117aba4
134baa07c5c5
14273d0720a0
15154b093eda
hexc1f6f9d2c

52067015980 has 24 divisors (see below), whose sum is σ = 124960838688. Its totient is φ = 17851548288.

The previous prime is 52067015951. The next prime is 52067015981. The reversal of 52067015980 is 8951076025.

It is not an unprimeable number, because it can be changed into a prime (52067015981) 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, 185953489 + ... + 185953768.

It is an arithmetic number, because the mean of its divisors is an integer number (5206701612).

Almost surely, 252067015980 is an apocalyptic number.

It is an amenable number.

52067015980 is an abundant number, since it is smaller than the sum of its proper divisors (72893822708).

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

52067015980 is a wasteful number, since it uses less digits than its factorization.

52067015980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371907273 (or 371907271 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 52067015980 in words is "fifty-two billion, sixty-seven million, fifteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 371907257 743814514 1487629028 1859536285 2603350799 3719072570 5206701598 7438145140 10413403196 13016753995 26033507990 52067015980