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52201155515251 = 613307912587001
BaseRepresentation
bin10111101111010000001110…
…10101001101001101110011
320211211101022021121001112111
423313220013111031031303
523320230431302442001
6303004514011110151
713665260203534261
oct1367500725151563
9224741267531474
1052201155515251
11156a6427452856
125a30b25442357
1323187177c3a42
14cc6799809431
15607d12761851
hex2f7a0754d373

52201155515251 has 8 divisors (see below), whose sum is σ = 53057093066208. Its totient is φ = 51345223800000.

The previous prime is 52201155515239. The next prime is 52201155515263. The reversal of 52201155515251 is 15251555110225.

It is an interprime number because it is at equal distance from previous prime (52201155515239) and next prime (52201155515263).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52201155515251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52201155515221) 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, 18884751 + ... + 21471751.

It is an arithmetic number, because the mean of its divisors is an integer number (6632136633276).

Almost surely, 252201155515251 is an apocalyptic number.

52201155515251 is a deficient number, since it is larger than the sum of its proper divisors (855937550957).

52201155515251 is a wasteful number, since it uses less digits than its factorization.

52201155515251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917853.

The product of its (nonzero) digits is 125000, while the sum is 40.

The spelling of 52201155515251 in words is "fifty-two trillion, two hundred one billion, one hundred fifty-five million, five hundred fifteen thousand, two hundred fifty-one".

Divisors: 1 61 330791 2587001 20178251 157807061 855756647791 52201155515251