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21226120614 = 2321361866443
BaseRepresentation
bin10011110001001011…
…001110010110100110
32000210021200122112100
4103301023032112212
5321432341324424
613430125232530
71351001022366
oct236113162646
960707618470
1021226120614
119002656646
124144702746
1320037163aa
1410550949a6
15843715dc9
hex4f12ce5a6

21226120614 has 24 divisors (see below), whose sum is σ = 46023772392. Its totient is φ = 7070166720.

The previous prime is 21226120603. The next prime is 21226120621. The reversal of 21226120614 is 41602162212.

21226120614 is a `hidden beast` number, since 2 + 1 + 2 + 26 + 1 + 20 + 614 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408724 + ... + 457719.

It is an arithmetic number, because the mean of its divisors is an integer number (1917657183).

Almost surely, 221226120614 is an apocalyptic number.

21226120614 is an abundant number, since it is smaller than the sum of its proper divisors (24797651778).

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

21226120614 is a wasteful number, since it uses less digits than its factorization.

21226120614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867812 (or 867809 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 21226120614 its reverse (41602162212), we get a palindrome (62828282826).

The spelling of 21226120614 in words is "twenty-one billion, two hundred twenty-six million, one hundred twenty thousand, six hundred fourteen".

Divisors: 1 2 3 6 9 18 1361 2722 4083 8166 12249 24498 866443 1732886 2599329 5198658 7797987 15595974 1179228923 2358457846 3537686769 7075373538 10613060307 21226120614