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252525231669 = 3443190011461
BaseRepresentation
bin1110101100101110101…
…1010011111000110101
3220010210220202220202010
43223023223103320311
513114132424403134
6312001500034433
724146545024134
oct3531353237065
9803726686663
10252525231669
1198105a01177
1240b36232a19
131aa752b3b09
14c317d4d91b
15687e87ace9
hex3acbad3e35

252525231669 has 8 divisors (see below), whose sum is σ = 337460356512. Its totient is φ = 167970130640.

The previous prime is 252525231667. The next prime is 252525231671. The reversal of 252525231669 is 966132525252.

It is an interprime number because it is at equal distance from previous prime (252525231667) and next prime (252525231671).

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 252525231669 - 21 = 252525231667 is a prime.

It is a super-2 number, since 2×2525252316692 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252525231667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95004402 + ... + 95007059.

It is an arithmetic number, because the mean of its divisors is an integer number (42182544564).

Almost surely, 2252525231669 is an apocalyptic number.

It is an amenable number.

252525231669 is a deficient number, since it is larger than the sum of its proper divisors (84935124843).

252525231669 is a wasteful number, since it uses less digits than its factorization.

252525231669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190011907.

The product of its digits is 1944000, while the sum is 48.

The spelling of 252525231669 in words is "two hundred fifty-two billion, five hundred twenty-five million, two hundred thirty-one thousand, six hundred sixty-nine".

Divisors: 1 3 443 1329 190011461 570034383 84175077223 252525231669