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22981107272 = 23535972
BaseRepresentation
bin10101011001110001…
…111101111001001000
32012022121000012122012
4111121301331321020
5334031130413042
614320220515052
71442331121514
oct253161757110
965277005565
1022981107272
119823266042
1245543aba88
1322231a5a36
1411801b1144
158e782be82
hex559c7de48

22981107272 has 12 divisors (see below), whose sum is σ = 43090380105. Its totient is φ = 11490339248.

The previous prime is 22981107239. The next prime is 22981107301. The reversal of 22981107272 is 27270118922.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 17879433796 + 5101673476 = 133714^2 + 71426^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=107194.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 401978 + ... + 455574.

Almost surely, 222981107272 is an apocalyptic number.

It is an amenable number.

22981107272 is a deficient number, since it is larger than the sum of its proper divisors (20109272833).

22981107272 is an frugal number, since it uses more digits than its factorization.

22981107272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107200 (or 53599 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 22981107272 in words is "twenty-two billion, nine hundred eighty-one million, one hundred seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 53597 107194 214388 428776 2872638409 5745276818 11490553636 22981107272