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213254454212 = 22307173659979
BaseRepresentation
bin1100011010011011110…
…1001011101111000100
3202101110001212201111222
43012212331023233010
511443221120013322
6241545011015512
721256433644442
oct3064675135704
9671401781458
10213254454212
1182493641898
12353b659a598
1317157332aa7
14a470565b92
155831dd9e42
hex31a6f4bbc4

213254454212 has 12 divisors (see below), whose sum is σ = 374410916880. Its totient is φ = 106279906536.

The previous prime is 213254454181. The next prime is 213254454253. The reversal of 213254454212 is 212454452312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86828762 + ... + 86831217.

It is an arithmetic number, because the mean of its divisors is an integer number (31200909740).

Almost surely, 2213254454212 is an apocalyptic number.

It is an amenable number.

213254454212 is a deficient number, since it is larger than the sum of its proper divisors (161156462668).

213254454212 is a wasteful number, since it uses less digits than its factorization.

213254454212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173660290 (or 173660288 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

The spelling of 213254454212 in words is "two hundred thirteen billion, two hundred fifty-four million, four hundred fifty-four thousand, two hundred twelve".

Divisors: 1 2 4 307 614 1228 173659979 347319958 694639916 53313613553 106627227106 213254454212