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12532312450 = 2527172391577
BaseRepresentation
bin10111010101111101…
…11110100110000010
31012100101202102202101
423222332332212002
5201131232444300
65431322541014
7622363620040
oct135276764602
935311672671
1012532312450
115351188919
12251906776a
1312495212c8
1486c5c5390
154d536cb6a
hex2eafbe982

12532312450 has 96 divisors (see below), whose sum is σ = 29433901824. Its totient is φ = 3868170240.

The previous prime is 12532312379. The next prime is 12532312523. The reversal of 12532312450 is 5421323521.

12532312450 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91062 + ... + 182638.

It is an arithmetic number, because the mean of its divisors is an integer number (306603144).

Almost surely, 212532312450 is an apocalyptic number.

12532312450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12532312450 is an abundant number, since it is smaller than the sum of its proper divisors (16901589374).

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

12532312450 is a wasteful number, since it uses less digits than its factorization.

12532312450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91636 (or 91631 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 12532312450 its reverse (5421323521), we get a palindrome (17953635971).

The spelling of 12532312450 in words is "twelve billion, five hundred thirty-two million, three hundred twelve thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 17 23 25 34 35 46 50 70 85 115 119 161 170 175 230 238 322 350 391 425 575 595 782 805 850 1150 1190 1610 1955 2737 2975 3910 4025 5474 5950 8050 9775 13685 19550 27370 68425 91577 136850 183154 457885 641039 915770 1282078 1556809 2106271 2289425 3113618 3205195 4212542 4578850 6410390 7784045 10531355 10897663 14743897 15568090 16025975 21062710 21795326 29487794 32051950 35806607 38920225 52656775 54488315 71613214 73719485 77840450 105313550 108976630 147438970 179033035 250646249 272441575 358066070 368597425 501292498 544883150 737194850 895165175 1253231245 1790330350 2506462490 6266156225 12532312450