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252312105101 = 7195933199129
BaseRepresentation
bin1110101011111011111…
…0010011000010001101
3220010021001201222001112
43222332332103002031
513113213344330401
6311524404021405
724141346335650
oct3527676230215
9803231658045
10252312105101
1198006673011
1240a96991865
131aa400b1b14
14c2d7911897
15686accc3bb
hex3abef9308d

252312105101 has 16 divisors (see below), whose sum is σ = 304045315200. Its totient is φ = 204539447808.

The previous prime is 252312105083. The next prime is 252312105137. The reversal of 252312105101 is 101501213252.

It is a cyclic number.

It is not a de Polignac number, because 252312105101 - 218 = 252311842957 is a prime.

It is a super-2 number, since 2×2523121051012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252312101101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520696 + ... + 1678433.

It is an arithmetic number, because the mean of its divisors is an integer number (19002832200).

Almost surely, 2252312105101 is an apocalyptic number.

It is an amenable number.

252312105101 is a deficient number, since it is larger than the sum of its proper divisors (51733210099).

252312105101 is a wasteful number, since it uses less digits than its factorization.

252312105101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199748.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 252312105101 its reverse (101501213252), we get a palindrome (353813318353).

The spelling of 252312105101 in words is "two hundred fifty-two billion, three hundred twelve million, one hundred five thousand, one hundred one".

Divisors: 1 7 19 133 593 4151 11267 78869 3199129 22393903 60783451 425484157 1897083497 13279584479 36044586443 252312105101