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252262051145 = 51317228291449
BaseRepresentation
bin1110101011101111111…
…1010110110101001001
3220010010120112221221022
43222323333112311021
513113113041114040
6311515415122225
724140201025026
oct3527377266511
9803116487838
10252262051145
1197a90395805
1240a82073375
131aa32907cb0
14c2d100254d
1568666e16b5
hex3abbfd6d49

252262051145 has 16 divisors (see below), whose sum is σ = 345176672400. Its totient is φ = 175327832064.

The previous prime is 252262051133. The next prime is 252262051169. The reversal of 252262051145 is 541150262252.

It can be written as a sum of positive squares in 8 ways, for example, as 4373573689 + 247888477456 = 66133^2 + 497884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252262051145 is a prime.

It is a super-2 number, since 2×2522620511452 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114144620 + ... + 114146829.

It is an arithmetic number, because the mean of its divisors is an integer number (21573542025).

Almost surely, 2252262051145 is an apocalyptic number.

It is an amenable number.

252262051145 is a deficient number, since it is larger than the sum of its proper divisors (92914621255).

252262051145 is a wasteful number, since it uses less digits than its factorization.

252262051145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228291484.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 252262051145 in words is "two hundred fifty-two billion, two hundred sixty-two million, fifty-one thousand, one hundred forty-five".

Divisors: 1 5 13 17 65 85 221 1105 228291449 1141457245 2967788837 3880954633 14838944185 19404773165 50452410229 252262051145