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22155260053 = 197112463249
BaseRepresentation
bin10100101000100011…
…100111000010010101
32010012001000211020011
4110220203213002111
5330333221310203
614102240040221
71413012413623
oct245043470225
963161024204
1022155260053
11943a080883
124363903071
132121073144
141102638513
1589a09b76d
hex5288e7095

22155260053 has 4 divisors (see below), whose sum is σ = 22267723500. Its totient is φ = 22042796608.

The previous prime is 22155260033. The next prime is 22155260069. The reversal of 22155260053 is 35006255122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15789932964 + 6365327089 = 125658^2 + 79783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22155260053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22155259997 and 22155260024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155260003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56231428 + ... + 56231821.

It is an arithmetic number, because the mean of its divisors is an integer number (5566930875).

Almost surely, 222155260053 is an apocalyptic number.

It is an amenable number.

22155260053 is a deficient number, since it is larger than the sum of its proper divisors (112463447).

22155260053 is a wasteful number, since it uses less digits than its factorization.

22155260053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112463446.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 22155260053 in words is "twenty-two billion, one hundred fifty-five million, two hundred sixty thousand, fifty-three".

Divisors: 1 197 112463249 22155260053