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13112633500 = 2253233730817
BaseRepresentation
bin11000011011001001…
…01110100010011100
31020211211201210120121
430031210232202130
5203323313233000
610005053124324
7642641355121
oct141544564234
936754653517
1013112633500
11561981569a
12265b4896a4
13130c819945
148c56c8748
1551b29eb1a
hex30d92e89c

13112633500 has 96 divisors (see below), whose sum is σ = 30691769472. Its totient is φ = 4881254400.

The previous prime is 13112633483. The next prime is 13112633507. The reversal of 13112633500 is 533621131.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112633507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410092 + ... + 440908.

It is an arithmetic number, because the mean of its divisors is an integer number (319705932).

Almost surely, 213112633500 is an apocalyptic number.

13112633500 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 13112633500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15345884736).

13112633500 is an abundant number, since it is smaller than the sum of its proper divisors (17579135972).

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

13112633500 is a wasteful number, since it uses less digits than its factorization.

13112633500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30896 (or 30884 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The spelling of 13112633500 in words is "thirteen billion, one hundred twelve million, six hundred thirty-three thousand, five hundred".

Divisors: 1 2 4 5 10 20 23 25 37 46 50 74 92 100 115 125 148 185 230 250 370 460 500 575 740 851 925 1150 1702 1850 2300 2875 3404 3700 4255 4625 5750 8510 9250 11500 17020 18500 21275 30817 42550 61634 85100 106375 123268 154085 212750 308170 425500 616340 708791 770425 1140229 1417582 1540850 2280458 2835164 3081700 3543955 3852125 4560916 5701145 7087910 7704250 11402290 14175820 15408500 17719775 22804580 26225267 28505725 35439550 52450534 57011450 70879100 88598875 104901068 114022900 131126335 142528625 177197750 262252670 285057250 354395500 524505340 570114500 655631675 1311263350 2622526700 3278158375 6556316750 13112633500