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213420022112 = 25113491737269
BaseRepresentation
bin1100011011000011010…
…0110001100101100000
3202101212121102102222102
43012300310301211200
511444041011201422
6242013243425532
721263514153623
oct3066064614540
9671777372872
10213420022112
1182569047470
1235441b252a8
131718272296b
14a488543dba
1558416e2192
hex31b0d31960

213420022112 has 48 divisors (see below), whose sum is σ = 459681642000. Its totient is φ = 96731082240.

The previous prime is 213420022097. The next prime is 213420022139. The reversal of 213420022112 is 211220024312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745787 + ... + 991482.

It is an arithmetic number, because the mean of its divisors is an integer number (9576700875).

Almost surely, 2213420022112 is an apocalyptic number.

213420022112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213420022112 is an abundant number, since it is smaller than the sum of its proper divisors (246261619888).

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

213420022112 is a wasteful number, since it uses less digits than its factorization.

213420022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737639 (or 1737631 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 213420022112 its reverse (211220024312), we get a palindrome (424640046424).

The spelling of 213420022112 in words is "two hundred thirteen billion, four hundred twenty million, twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 349 352 698 1396 2792 3839 5584 7678 11168 15356 30712 61424 122848 1737269 3474538 6949076 13898152 19109959 27796304 38219918 55592608 76439836 152879672 305759344 606306881 611518688 1212613762 2425227524 4850455048 6669375691 9700910096 13338751382 19401820192 26677502764 53355005528 106710011056 213420022112