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20330103100 = 2252503404177
BaseRepresentation
bin10010111011110001…
…001100000100111100
31221110211200020120111
4102323301030010330
5313114001244400
613201200355404
71316541011416
oct227361140474
957424606514
1020330103100
1186928a43aa
123b34615b64
131bbcbb5608
14dac0939b6
157dec243ba
hex4bbc4c13c

20330103100 has 36 divisors (see below), whose sum is σ = 44204139504. Its totient is φ = 8115854080.

The previous prime is 20330103097. The next prime is 20330103133. The reversal of 20330103100 is 130103302.

It is a super-2 number, since 2×203301031002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151789 + ... + 252388.

It is an arithmetic number, because the mean of its divisors is an integer number (1227892764).

Almost surely, 220330103100 is an apocalyptic number.

20330103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20330103100 is an abundant number, since it is smaller than the sum of its proper divisors (23874036404).

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

20330103100 is a wasteful number, since it uses less digits than its factorization.

20330103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404694 (or 404687 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20330103100 its reverse (130103302), we get a palindrome (20460206402).

The spelling of 20330103100 in words is "twenty billion, three hundred thirty million, one hundred three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 503 1006 2012 2515 5030 10060 12575 25150 50300 404177 808354 1616708 2020885 4041770 8083540 10104425 20208850 40417700 203301031 406602062 813204124 1016505155 2033010310 4066020620 5082525775 10165051550 20330103100