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12530594319 = 361127539159
BaseRepresentation
bin10111010101110000…
…11011001000001111
31012100021112010220220
423222320123020033
5201130313004234
65431222042423
7622343202645
oct135270331017
935307463826
1012530594319
115350214a81
122518579413
13124906c269
1486c299195
154d512da49
hex2eae1b20f

12530594319 has 16 divisors (see below), whose sum is σ = 17115095040. Its totient is φ = 8152068960.

The previous prime is 12530594299. The next prime is 12530594339. The reversal of 12530594319 is 91349503521.

It is an interprime number because it is at equal distance from previous prime (12530594299) and next prime (12530594339).

It is not a de Polignac number, because 12530594319 - 29 = 12530593807 is a prime.

It is a super-2 number, since 2×125305943192 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530594339) 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, 246339 + ... + 292820.

It is an arithmetic number, because the mean of its divisors is an integer number (1069693440).

Almost surely, 212530594319 is an apocalyptic number.

12530594319 is a deficient number, since it is larger than the sum of its proper divisors (4584500721).

12530594319 is a wasteful number, since it uses less digits than its factorization.

12530594319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539350.

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 12530594319 in words is "twelve billion, five hundred thirty million, five hundred ninety-four thousand, three hundred nineteen".

Divisors: 1 3 61 127 183 381 7747 23241 539159 1617477 32888699 68473193 98666097 205419579 4176864773 12530594319