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13251545500 = 225337969929
BaseRepresentation
bin11000101011101101…
…01000100110011100
31021012112010021000111
430111312220212130
5204114343424000
610030534335404
7646246164304
oct142566504634
937175107014
1013251545500
1156901742a6
122699aba564
1313325359ab
148d9d28604
1552858dcba
hex315da899c

13251545500 has 48 divisors (see below), whose sum is σ = 29018152800. Its totient is φ = 5286556800.

The previous prime is 13251545491. The next prime is 13251545513. The reversal of 13251545500 is 554515231.

13251545500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154536 + ... + 224464.

It is an arithmetic number, because the mean of its divisors is an integer number (604544850).

Almost surely, 213251545500 is an apocalyptic number.

13251545500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13251545500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14509076400).

13251545500 is an abundant number, since it is smaller than the sum of its proper divisors (15766607300).

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

13251545500 is a wasteful number, since it uses less digits than its factorization.

13251545500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70327 (or 70315 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 13251545500 in words is "thirteen billion, two hundred fifty-one million, five hundred forty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 379 500 758 1516 1895 3790 7580 9475 18950 37900 47375 69929 94750 139858 189500 279716 349645 699290 1398580 1748225 3496450 6992900 8741125 17482250 26503091 34964500 53006182 106012364 132515455 265030910 530061820 662577275 1325154550 2650309100 3312886375 6625772750 13251545500