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212830615258 = 23153421715359
BaseRepresentation
bin1100011000110110110…
…0010111011011011010
3202100100112100110202221
43012031230113123122
511441334114142013
6241434550414254
721243066244402
oct3061554273332
9670315313687
10212830615258
1182296374368
12352b866138a
13170ba595901
14a430157802
155809ab808d
hex318db176da

212830615258 has 32 divisors (see below), whose sum is σ = 335863480320. Its totient is φ = 101008951680.

The previous prime is 212830615211. The next prime is 212830615279. The reversal of 212830615258 is 852516038212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13849383 + ... + 13864741.

It is an arithmetic number, because the mean of its divisors is an integer number (10495733760).

Almost surely, 2212830615258 is an apocalyptic number.

212830615258 is a deficient number, since it is larger than the sum of its proper divisors (123032865062).

212830615258 is a wasteful number, since it uses less digits than its factorization.

212830615258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19662.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 212830615258 in words is "two hundred twelve billion, eight hundred thirty million, six hundred fifteen thousand, two hundred fifty-eight".

Divisors: 1 2 31 53 62 106 1643 3286 4217 8434 15359 30718 130727 223501 261454 447002 476129 814027 952258 1628054 6928531 13857062 25234837 50469674 64768903 129537806 2007835993 3432751859 4015671986 6865503718 106415307629 212830615258