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52618290468 = 22310740979977
BaseRepresentation
bin110001000000010010…
…110110010100100100
312000211001121002220220
4301000102312110210
51330230240243333
640101132324340
73541634042442
oct610022662444
9160731532826
1052618290468
1120351720477
12a2459136b0
134c67347c23
142792373b92
15157e6898b3
hexc404b6524

52618290468 has 24 divisors (see below), whose sum is σ = 123923453472. Its totient is φ = 17375509824.

The previous prime is 52618290421. The next prime is 52618290521. The reversal of 52618290468 is 86409281625.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52618290468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20488705 + ... + 20491272.

It is an arithmetic number, because the mean of its divisors is an integer number (5163477228).

Almost surely, 252618290468 is an apocalyptic number.

It is an amenable number.

52618290468 is an abundant number, since it is smaller than the sum of its proper divisors (71305163004).

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

52618290468 is a wasteful number, since it uses less digits than its factorization.

52618290468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40980091 (or 40980089 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 52618290468 in words is "fifty-two billion, six hundred eighteen million, two hundred ninety thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 107 214 321 428 642 1284 40979977 81959954 122939931 163919908 245879862 491759724 4384857539 8769715078 13154572617 17539430156 26309145234 52618290468