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210513300100 = 2252171011226053
BaseRepresentation
bin1100010000001110010…
…0100000101010000100
3202010101000220122222121
43010003210200222010
511422112401100400
6240413010335324
721131500345465
oct3040344405204
9663330818877
10210513300100
11813072a7174
123497058a544
1316b0b46a3cc
14a29049cd6c
15572142621a
hex3103920a84

210513300100 has 72 divisors (see below), whose sum is σ = 488474626248. Its totient is φ = 78467328000.

The previous prime is 210513300059. The next prime is 210513300119. The reversal of 210513300100 is 1003315012.

It can be written as a sum of positive squares in 12 ways, for example, as 5979619584 + 204533680516 = 77328^2 + 452254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441327 + ... + 784726.

It is an arithmetic number, because the mean of its divisors is an integer number (6784369809).

Almost surely, 2210513300100 is an apocalyptic number.

210513300100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210513300100 is an abundant number, since it is smaller than the sum of its proper divisors (277961326148).

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

210513300100 is a wasteful number, since it uses less digits than its factorization.

210513300100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226185 (or 1226178 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 210513300100 its reverse (1003315012), we get a palindrome (211516615112).

The spelling of 210513300100 in words is "two hundred ten billion, five hundred thirteen million, three hundred thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 101 170 202 340 404 425 505 850 1010 1700 1717 2020 2525 3434 5050 6868 8585 10100 17170 34340 42925 85850 171700 1226053 2452106 4904212 6130265 12260530 20842901 24521060 30651325 41685802 61302650 83371604 104214505 122605300 123831353 208429010 247662706 416858020 495325412 521072525 619156765 1042145050 1238313530 2084290100 2105133001 2476627060 3095783825 4210266002 6191567650 8420532004 10525665005 12383135300 21051330010 42102660020 52628325025 105256650050 210513300100