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52502305105 = 513180156191
BaseRepresentation
bin110000111001011000…
…011001100101010001
312000111222100102220201
4300321120121211101
51330011042230410
640041430335201
73536025141625
oct607130314521
9160458312821
1052502305105
11202a22009a8
12a212aba501
134c492c8433
142780bc1185
1515743c883a
hexc39619951

52502305105 has 8 divisors (see below), whose sum is σ = 63483704064. Its totient is φ = 41681218800.

The previous prime is 52502305099. The next prime is 52502305127. The reversal of 52502305105 is 50150320525.

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

It is not a de Polignac number, because 52502305105 - 29 = 52502304593 is a prime.

It is a super-2 number, since 2×525023051052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40077441 + ... + 40078750.

It is an arithmetic number, because the mean of its divisors is an integer number (7935463008).

Almost surely, 252502305105 is an apocalyptic number.

It is an amenable number.

52502305105 is a deficient number, since it is larger than the sum of its proper divisors (10981398959).

52502305105 is a wasteful number, since it uses less digits than its factorization.

52502305105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80156327.

The product of its (nonzero) digits is 7500, while the sum is 28.

The spelling of 52502305105 in words is "fifty-two billion, five hundred two million, three hundred five thousand, one hundred five".

Divisors: 1 5 131 655 80156191 400780955 10500461021 52502305105