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20303110231100 = 22521444714053513
BaseRepresentation
bin1001001110111001011111…
…01011000101010000111100
32122212221212122211122101022
410213130233223011100330
510130121232204343400
6111103041534203312
74163564666333354
oct447345753052074
978787778748338
1020303110231100
116518556473a64
12233aa66653538
13b437625b0478
1450296649bb64
152531e560eb85
hex12772fac543c

20303110231100 has 36 divisors (see below), whose sum is σ = 44060801949024. Its totient is φ = 8120681374080.

The previous prime is 20303110231091. The next prime is 20303110231147. The reversal of 20303110231100 is 113201130302.

It is a congruent number.

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, 5582057 + ... + 8471456.

Almost surely, 220303110231100 is an apocalyptic number.

20303110231100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20303110231100 is an abundant number, since it is smaller than the sum of its proper divisors (23757691717924).

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

20303110231100 is a wasteful number, since it uses less digits than its factorization.

20303110231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14067974 (or 14067967 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20303110231100 its reverse (113201130302), we get a palindrome (20416311361402).

The spelling of 20303110231100 in words is "twenty trillion, three hundred three billion, one hundred ten million, two hundred thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 14447 28894 57788 72235 144470 288940 361175 722350 1444700 14053513 28107026 56214052 70267565 140535130 281070260 351337825 702675650 1405351300 203031102311 406062204622 812124409244 1015155511555 2030311023110 4060622046220 5075777557775 10151555115550 20303110231100