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52909122551 = 593559251971
BaseRepresentation
bin110001010001101000…
…010010001111110111
312001120022211220112112
4301101220102033313
51331324213410201
640150042041235
73552065056415
oct612150221767
9161508756475
1052909122551
112049090296a
12a3071a921b
134cb2685b0c
1427bcc3c2b5
151599e870bb
hexc51a123f7

52909122551 has 8 divisors (see below), whose sum is σ = 53821219200. Its totient is φ = 51997537080.

The previous prime is 52909122527. The next prime is 52909122589. The reversal of 52909122551 is 15522190925.

52909122551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52909122551 - 214 = 52909106167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52909122499 and 52909122508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52909122251) 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, 83996 + ... + 335966.

It is an arithmetic number, because the mean of its divisors is an integer number (6727652400).

Almost surely, 252909122551 is an apocalyptic number.

52909122551 is a deficient number, since it is larger than the sum of its proper divisors (912096649).

52909122551 is a wasteful number, since it uses less digits than its factorization.

52909122551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255589.

The product of its (nonzero) digits is 81000, while the sum is 41.

The spelling of 52909122551 in words is "fifty-two billion, nine hundred nine million, one hundred twenty-two thousand, five hundred fifty-one".

Divisors: 1 59 3559 209981 251971 14866289 896764789 52909122551