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12529410990 = 2354110186513
BaseRepresentation
bin10111010101100111…
…11010001110101110
31012100012022000200220
423222303322032232
5201130012122430
65431140432210
7622330144005
oct135263721656
935305260626
1012529410990
11534a586a18
1225180a8666
131248a46775
1486c06bc3c
154d4e98110
hex2eacfa3ae

12529410990 has 32 divisors (see below), whose sum is σ = 30804018336. Its totient is φ = 3259683840.

The previous prime is 12529410989. The next prime is 12529411007. The reversal of 12529410990 is 9901492521.

It is a super-2 number, since 2×125294109902 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 5092027 + ... + 5094486.

It is an arithmetic number, because the mean of its divisors is an integer number (962625573).

Almost surely, 212529410990 is an apocalyptic number.

12529410990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12529410990 is an abundant number, since it is smaller than the sum of its proper divisors (18274607346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12529410990 is a wasteful number, since it uses less digits than its factorization.

12529410990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10186564.

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 12529410990 in words is "twelve billion, five hundred twenty-nine million, four hundred ten thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 10186513 20373026 30559539 50932565 61119078 101865130 152797695 305595390 417647033 835294066 1252941099 2088235165 2505882198 4176470330 6264705495 12529410990