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52251808374 = 23712794063
BaseRepresentation
bin110000101010011100…
…110101001001110110
311222212111222220000000
4300222130311021312
51324002430331444
640000521332130
73526564020513
oct605234651166
9158774886000
1052251808374
1120183869007
12a163037046
134c0944090c
14275981630a
15155c3e7469
hexc2a735276

52251808374 has 64 divisors (see below), whose sum is σ = 118475489280. Its totient is φ = 17279941896.

The previous prime is 52251808361. The next prime is 52251808387. The reversal of 52251808374 is 47380815225.

52251808374 is a `hidden beast` number, since 52 + 2 + 518 + 0 + 83 + 7 + 4 = 666.

52251808374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52251808361) and next prime (52251808387).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508467 + ... + 602529.

It is an arithmetic number, because the mean of its divisors is an integer number (1851179520).

Almost surely, 252251808374 is an apocalyptic number.

52251808374 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52251808374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59237744640).

52251808374 is an abundant number, since it is smaller than the sum of its proper divisors (66223680906).

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

52251808374 is an equidigital number, since it uses as much as digits as its factorization.

52251808374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94213 (or 94195 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 52251808374 in words is "fifty-two billion, two hundred fifty-one million, eight hundred eight thousand, three hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 81 127 162 243 254 381 486 729 762 1143 1458 2187 2286 3429 4374 6858 10287 20574 30861 61722 92583 94063 185166 188126 277749 282189 555498 564378 846567 1693134 2539701 5079402 7619103 11946001 15238206 22857309 23892002 35838003 45714618 68571927 71676006 107514009 137143854 205715781 215028018 322542027 411431562 645084054 967626081 1935252162 2902878243 5805756486 8708634729 17417269458 26125904187 52251808374