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15230100500 = 2253280310867
BaseRepresentation
bin11100010111100100…
…01110010000010100
31110022102010021020022
432023302032100110
5222142401204000
610555133524312
71046262501236
oct161362162024
943272107208
1015230100500
116505aa3a1a
122b50643698
131589411cb4
14a46a00256
155e2117585
hex38bc8e414

15230100500 has 48 divisors (see below), whose sum is σ = 33277468224. Its totient is φ = 6089306400.

The previous prime is 15230100497. The next prime is 15230100527. The reversal of 15230100500 is 500103251.

It is a super-2 number, since 2×152301005002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1396067 + ... + 1406933.

It is an arithmetic number, because the mean of its divisors is an integer number (693280588).

Almost surely, 215230100500 is an apocalyptic number.

15230100500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15230100500 is an abundant number, since it is smaller than the sum of its proper divisors (18047367724).

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

15230100500 is a wasteful number, since it uses less digits than its factorization.

15230100500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13689 (or 13677 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

Adding to 15230100500 its reverse (500103251), we get a palindrome (15730203751).

The spelling of 15230100500 in words is "fifteen billion, two hundred thirty million, one hundred thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 2803 5606 10867 11212 14015 21734 28030 43468 54335 56060 70075 108670 140150 217340 271675 280300 350375 543350 700750 1086700 1358375 1401500 2716750 5433500 30460201 60920402 121840804 152301005 304602010 609204020 761505025 1523010050 3046020100 3807525125 7615050250 15230100500