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213000002112020 = 22579472928507111
BaseRepresentation
bin110000011011100011101101…
…011101101000101000010100
31000221011121020101002212222212
4300123203231131220220110
5210404243001020041040
62033002503343212552
762602512421123544
oct6033435535505024
91027147211085885
10213000002112020
1161960880325912
121ba809b18a7158
1391b0a775066c6
143a85380039324
1519959439e1d65
hexc1b8ed768a14

213000002112020 has 48 divisors (see below), whose sum is σ = 453057829593600. Its totient is φ = 84103728433920.

The previous prime is 213000002112019. The next prime is 213000002112061. The reversal of 213000002112020 is 20211200000312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213000002111986 and 213000002112004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6781736 + ... + 21725375.

It is an arithmetic number, because the mean of its divisors is an integer number (9438704783200).

Almost surely, 2213000002112020 is an apocalyptic number.

213000002112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213000002112020 is an abundant number, since it is smaller than the sum of its proper divisors (240057827481580).

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

213000002112020 is a wasteful number, since it uses less digits than its factorization.

213000002112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28511928 (or 28511926 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 213000002112020 its reverse (20211200000312), we get a palindrome (233211202112332).

The spelling of 213000002112020 in words is "two hundred thirteen trillion, two million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 4729 9458 18916 23645 47290 94580 373591 747182 1494364 1867955 3735910 7471820 28507111 57014222 114028444 142535555 285071110 570142220 2252061769 4504123538 9008247076 11260308845 22520617690 45041235380 134810127919 269620255838 539240511676 674050639595 1348101279190 2696202558380 10650000105601 21300000211202 42600000422404 53250000528005 106500001056010 213000002112020