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13148309500 = 225326296619
BaseRepresentation
bin11000011111011001…
…10100011111111100
31020221022212022211221
430033230310133330
5203411431401000
610012405523124
7643553533564
oct141754643774
936838768757
1013148309500
115637972597
12266b4134a4
13131702b2c1
148ca333da4
1551e49a61a
hex30fb347fc

13148309500 has 24 divisors (see below), whose sum is σ = 28715909040. Its totient is φ = 5259323600.

The previous prime is 13148309459. The next prime is 13148309539. The reversal of 13148309500 is 590384131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13147810 + ... + 13148809.

It is an arithmetic number, because the mean of its divisors is an integer number (1196496210).

Almost surely, 213148309500 is an apocalyptic number.

13148309500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13148309500 is an abundant number, since it is smaller than the sum of its proper divisors (15567599540).

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

13148309500 is a wasteful number, since it uses less digits than its factorization.

13148309500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26296638 (or 26296626 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 13148309500 in words is "thirteen billion, one hundred forty-eight million, three hundred nine thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 26296619 52593238 105186476 131483095 262966190 525932380 657415475 1314830950 2629661900 3287077375 6574154750 13148309500