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22630747212 = 2232630199767
BaseRepresentation
bin10101000100111001…
…011100110001001100
32011102011202001222200
4111010321130301030
5332321432402322
614221343241500
71430545114563
oct250471346114
964364661880
1022630747212
119663515377
124476ba9290
1321987249a8
14114984cbda
158c6bc18ac
hex544e5cc4c

22630747212 has 36 divisors (see below), whose sum is σ = 57215152176. Its totient is φ = 7542309600.

The previous prime is 22630747207. The next prime is 22630747219. The reversal of 22630747212 is 21274703622.

It is a happy number.

22630747212 is a `hidden beast` number, since 2 + 2 + 630 + 7 + 4 + 7 + 2 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22630747219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176953 + ... + 276719.

Almost surely, 222630747212 is an apocalyptic number.

It is an amenable number.

22630747212 is an abundant number, since it is smaller than the sum of its proper divisors (34584404964).

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

22630747212 is a wasteful number, since it uses less digits than its factorization.

22630747212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106078 (or 106073 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 22630747212 in words is "twenty-two billion, six hundred thirty million, seven hundred forty-seven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 6301 12602 18903 25204 37806 56709 75612 99767 113418 199534 226836 299301 399068 598602 897903 1197204 1795806 3591612 628631867 1257263734 1885895601 2514527468 3771791202 5657686803 7543582404 11315373606 22630747212