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1252344303231 = 37472241112019
BaseRepresentation
bin10010001110010101100…
…010011000111001111111
311102201112000202020001220
4102032111202120321333
5131004300120200411
62355152524404423
7156323154640050
oct22162542307177
94381460666056
101252344303231
1144313078a92a
121828676a6713
1391131c41cb8
144488433a727
152289a2a3b06
hex12395898e7f

1252344303231 has 48 divisors (see below), whose sum is σ = 1957908860160. Its totient is φ = 697486798080.

The previous prime is 1252344303209. The next prime is 1252344303239. The reversal of 1252344303231 is 1323034432521.

It is not a de Polignac number, because 1252344303231 - 221 = 1252342206079 is a prime.

It is a super-2 number, since 2×12523443032312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1252344303192 and 1252344303201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252344303239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11123740 + ... + 11235758.

It is an arithmetic number, because the mean of its divisors is an integer number (40789767920).

Almost surely, 21252344303231 is an apocalyptic number.

1252344303231 is a deficient number, since it is larger than the sum of its proper divisors (705564556929).

1252344303231 is a wasteful number, since it uses less digits than its factorization.

1252344303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112364 (or 112317 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 1252344303231 its reverse (1323034432521), we get a palindrome (2575378735752).

The spelling of 1252344303231 in words is "one trillion, two hundred fifty-two billion, three hundred forty-four million, three hundred three thousand, two hundred thirty-one".

Divisors: 1 3 7 21 47 141 241 329 723 987 1687 2209 5061 6627 11327 15463 33981 46389 79289 112019 237867 336057 532369 784133 1597107 2352399 3726583 5264893 11179749 15794679 26996579 36854251 80989737 110562753 188976053 247449971 566928159 742349913 1268839213 1732149797 3806517639 5196449391 8881874491 26645623473 59635443011 178906329033 417448101077 1252344303231