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22054747401 = 3219316940699
BaseRepresentation
bin10100100010100100…
…001011110100001001
32002221000220020210100
4110202210023310021
5330132003404101
614044245440013
71410352155051
oct244244136411
962830806710
1022054747401
11939836a175
124336110009
1321062b01bb
1410d3152561
15891344e86
hex52290bd09

22054747401 has 24 divisors (see below), whose sum is σ = 33544940000. Its totient is φ = 13924576512.

The previous prime is 22054747367. The next prime is 22054747417. The reversal of 22054747401 is 10474745022.

22054747401 is a `hidden beast` number, since 2 + 205 + 4 + 7 + 47 + 401 = 666.

It is not a de Polignac number, because 22054747401 - 213 = 22054739209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22054747441) 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, 521550 + ... + 562248.

Almost surely, 222054747401 is an apocalyptic number.

It is an amenable number.

22054747401 is a deficient number, since it is larger than the sum of its proper divisors (11490192599).

22054747401 is a wasteful number, since it uses less digits than its factorization.

22054747401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43893 (or 43890 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The spelling of 22054747401 in words is "twenty-two billion, fifty-four million, seven hundred forty-seven thousand, four hundred one".

Divisors: 1 3 9 19 57 171 3169 9507 28521 40699 60211 122097 180633 366291 541899 773281 2319843 6959529 128975131 386925393 1160776179 2450527489 7351582467 22054747401