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213143030344 = 23311396183077
BaseRepresentation
bin1100011010000001010…
…0001000101001001000
3202101011022012210201001
43012200110020221020
511443004103432334
6241525550504344
721253611602506
oct3064024105110
9671138183631
10213143030344
1182436758452
12353852050b4
131713a21c5ca
14a45d83d676
15582722a714
hex31a0508a48

213143030344 has 32 divisors (see below), whose sum is σ = 415502841600. Its totient is φ = 102391738560.

The previous prime is 213143030341. The next prime is 213143030393. The reversal of 213143030344 is 443030341312.

It is not an unprimeable number, because it can be changed into a prime (213143030341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3057067 + ... + 3126010.

It is an arithmetic number, because the mean of its divisors is an integer number (12984463800).

Almost surely, 2213143030344 is an apocalyptic number.

It is an amenable number.

213143030344 is a deficient number, since it is larger than the sum of its proper divisors (202359811256).

213143030344 is a wasteful number, since it uses less digits than its factorization.

213143030344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183253 (or 6183249 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 213143030344 its reverse (443030341312), we get a palindrome (656173371656).

The spelling of 213143030344 in words is "two hundred thirteen billion, one hundred forty-three million, thirty thousand, three hundred forty-four".

Divisors: 1 2 4 8 31 62 124 139 248 278 556 1112 4309 8618 17236 34472 6183077 12366154 24732308 49464616 191675387 383350774 766701548 859447703 1533403096 1718895406 3437790812 6875581624 26642878793 53285757586 106571515172 213143030344