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213200230408 = 231117142513523
BaseRepresentation
bin1100011010001110111…
…0010101100000001000
3202101022021211212102221
43012203232111200020
511443113224333113
6241535352503424
721255205025524
oct3064356254010
9671267755387
10213200230408
1182465a76730
12353a03aab74
1317149028cb9
14a46728cd84
15582c27898d
hex31a3b95808

213200230408 has 32 divisors (see below), whose sum is σ = 461743817760. Its totient is φ = 91208654080.

The previous prime is 213200230367. The next prime is 213200230427. The reversal of 213200230408 is 804032002312.

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, 71255266 + ... + 71258257.

It is an arithmetic number, because the mean of its divisors is an integer number (14429494305).

Almost surely, 2213200230408 is an apocalyptic number.

It is an amenable number.

213200230408 is an abundant number, since it is smaller than the sum of its proper divisors (248543587352).

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

213200230408 is a wasteful number, since it uses less digits than its factorization.

213200230408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142513557 (or 142513553 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 213200230408 in words is "two hundred thirteen billion, two hundred million, two hundred thirty thousand, four hundred eight".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 136 187 374 748 1496 142513523 285027046 570054092 1140108184 1567648753 2422729891 3135297506 4845459782 6270595012 9690919564 12541190024 19381839128 26650028801 53300057602 106600115204 213200230408