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13001500032100 = 2252831573199577
BaseRepresentation
bin1011110100110010010111…
…0010100111110001100100
31201000221010220002001110221
42331030211302213301210
53201004033002011400
643352450123254124
72511220201561666
oct275144562476144
951027126061427
1013001500032100
1141629a5902048
12155b94007a344
1373406168c188
1432d3c1336536
151782eb1dac1a
hexbd325ca7c64

13001500032100 has 72 divisors (see below), whose sum is σ = 28555275657888. Its totient is φ = 5137563974400.

The previous prime is 13001500032043. The next prime is 13001500032107. The reversal of 13001500032100 is 123000510031.

It is not an unprimeable number, because it can be changed into a prime (13001500032107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130517512 + ... + 130617088.

It is an arithmetic number, because the mean of its divisors is an integer number (396601050804).

Almost surely, 213001500032100 is an apocalyptic number.

13001500032100 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 13001500032100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14277637828944).

13001500032100 is an abundant number, since it is smaller than the sum of its proper divisors (15553775625788).

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

13001500032100 is a wasteful number, since it uses less digits than its factorization.

13001500032100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115405 (or 115398 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 13001500032100 its reverse (123000510031), we get a palindrome (13124500542131).

The spelling of 13001500032100 in words is "thirteen trillion, one billion, five hundred million, thirty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 83 100 166 332 415 830 1660 2075 4150 8300 15731 31462 62924 78655 99577 157310 199154 314620 393275 398308 497885 786550 995770 1305673 1573100 1991540 2489425 2611346 4978850 5222692 6528365 8264891 9957700 13056730 16529782 26113460 32641825 33059564 41324455 65283650 82648910 130567300 165297820 206622275 413244550 826489100 1566445787 3132891574 6265783148 7832228935 15664457870 31328915740 39161144675 78322289350 130015000321 156644578700 260030000642 520060001284 650075001605 1300150003210 2600300006420 3250375008025 6500750016050 13001500032100