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230313232100 = 225273110613513
BaseRepresentation
bin1101011001111110111…
…1010000011011100100
3211000110220222102112102
43112133233100123210
512233140141411400
6253445431511232
722432243112660
oct3263757203344
9730426872472
10230313232100
11897478a7136
1238777528518
1318945565ac3
14b20bd858a0
155ece8229d5
hex359fbd06e4

230313232100 has 72 divisors (see below), whose sum is σ = 589601929728. Its totient is φ = 76417286400.

The previous prime is 230313232099. The next prime is 230313232103. The reversal of 230313232100 is 1232313032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (230313232103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5285057 + ... + 5328456.

Almost surely, 2230313232100 is an apocalyptic number.

230313232100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230313232100 is an abundant number, since it is smaller than the sum of its proper divisors (359288697628).

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

230313232100 is a wasteful number, since it uses less digits than its factorization.

230313232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10613565 (or 10613558 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 230313232100 its reverse (1232313032), we get a palindrome (231545545132).

The spelling of 230313232100 in words is "two hundred thirty billion, three hundred thirteen million, two hundred thirty-two thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 31 35 50 62 70 100 124 140 155 175 217 310 350 434 620 700 775 868 1085 1550 2170 3100 4340 5425 10850 21700 10613513 21227026 42454052 53067565 74294591 106135130 148589182 212270260 265337825 297178364 329018903 371472955 530675650 658037806 742945910 1061351300 1316075612 1485891820 1645094515 1857364775 2303132321 3290189030 3714729550 4606264642 6580378060 7429459100 8225472575 9212529284 11515661605 16450945150 23031323210 32901890300 46062646420 57578308025 115156616050 230313232100