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21010113332300 = 22521451144797473
BaseRepresentation
bin1001100011011110011000…
…10101111000010001001100
32202101112202220220102221202
410301233030111320101030
510223212203003113200
6112403525100245032
74265634123463511
oct461571425702114
982345686812852
1021010113332300
1167703802751a4
122433a98540778
13b9532589aa71
14528c758c9308
152667c43e51d5
hex131bcc57844c

21010113332300 has 36 divisors (see below), whose sum is σ = 45623367297816. Its totient is φ = 8398253376000.

The previous prime is 21010113332171. The next prime is 21010113332311. The reversal of 21010113332300 is 323331101012.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72253637 + ... + 72543836.

Almost surely, 221010113332300 is an apocalyptic number.

21010113332300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21010113332300 is an abundant number, since it is smaller than the sum of its proper divisors (24613253965516).

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

21010113332300 is a wasteful number, since it uses less digits than its factorization.

21010113332300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144798938 (or 144798931 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21010113332300 its reverse (323331101012), we get a palindrome (21333444433312).

The spelling of 21010113332300 in words is "twenty-one trillion, ten billion, one hundred thirteen million, three hundred thirty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1451 2902 5804 7255 14510 29020 36275 72550 145100 144797473 289594946 579189892 723987365 1447974730 2895949460 3619936825 7239873650 14479747300 210101133323 420202266646 840404533292 1050505666615 2101011333230 4202022666460 5252528333075 10505056666150 21010113332300