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52515011213 = 733122665089
BaseRepresentation
bin110000111010001000…
…110111101010001101
312000112212020222102022
4300322020313222031
51330022320324323
640043002535525
73536241141650
oct607210675215
9160485228368
1052515011213
11202a939a215
12a2172075a5
134c4bb26942
14278276b897
1515755884c8
hexc3a237a8d

52515011213 has 8 divisors (see below), whose sum is σ = 60198479040. Its totient is φ = 44876874240.

The previous prime is 52515011177. The next prime is 52515011243. The reversal of 52515011213 is 31211051525.

52515011213 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 52515011213 - 218 = 52514749069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52515011243) 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, 11330228 + ... + 11334861.

It is an arithmetic number, because the mean of its divisors is an integer number (7524809880).

Almost surely, 252515011213 is an apocalyptic number.

It is an amenable number.

52515011213 is a deficient number, since it is larger than the sum of its proper divisors (7683467827).

52515011213 is a wasteful number, since it uses less digits than its factorization.

52515011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22665427.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 52515011213 its reverse (31211051525), we get a palindrome (83726062738).

The spelling of 52515011213 in words is "fifty-two billion, five hundred fifteen million, eleven thousand, two hundred thirteen".

Divisors: 1 7 331 2317 22665089 158655623 7502144459 52515011213