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22054322961 = 3211239685693
BaseRepresentation
bin10100100010100010…
…100100001100010001
32002221000002200120100
4110202202210030101
5330131401313321
614044232403013
71410345436446
oct244242441421
962830080510
1022054322961
1193980aa2a0
124335b46469
132106191c58
1410d30819cd
158912ae326
hex5228a4311

22054322961 has 24 divisors (see below), whose sum is σ = 36263238336. Its totient is φ = 12785113440.

The previous prime is 22054322947. The next prime is 22054322981. The reversal of 22054322961 is 16922345022.

22054322961 is a `hidden beast` number, since 2 + 2 + 0 + 543 + 22 + 96 + 1 = 666.

It is not a de Polignac number, because 22054322961 - 210 = 22054321937 is a prime.

It is a super-2 number, since 2×220543229612 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22054322981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4840570 + ... + 4845123.

It is an arithmetic number, because the mean of its divisors is an integer number (1510968264).

Almost surely, 222054322961 is an apocalyptic number.

It is an amenable number.

22054322961 is a deficient number, since it is larger than the sum of its proper divisors (14208915375).

22054322961 is a wasteful number, since it uses less digits than its factorization.

22054322961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9685733 (or 9685730 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 22054322961 its reverse (16922345022), we get a palindrome (38976667983).

The spelling of 22054322961 in words is "twenty-two billion, fifty-four million, three hundred twenty-two thousand, nine hundred sixty-one".

Divisors: 1 3 9 11 23 33 69 99 207 253 759 2277 9685693 29057079 87171237 106542623 222770939 319627869 668312817 958883607 2004938451 2450480329 7351440987 22054322961