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22243512253 = 509213120507
BaseRepresentation
bin10100101101110100…
…010000111110111101
32010102012002111111011
4110231310100332331
5331023314343003
614115111355221
71415133506644
oct245564207675
963365074434
1022243512253
119484978a86
124389382b11
132136432691
14111024c35b
158a2bd046d
hex52dd10fbd

22243512253 has 8 divisors (see below), whose sum is σ = 22298758560. Its totient is φ = 22188312240.

The previous prime is 22243512241. The next prime is 22243512289. The reversal of 22243512253 is 35221534222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22243512253 is a prime.

It is a super-2 number, since 2×222435122532 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22243515253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074426 + ... + 1094932.

It is an arithmetic number, because the mean of its divisors is an integer number (2787344820).

Almost surely, 222243512253 is an apocalyptic number.

It is an amenable number.

22243512253 is a deficient number, since it is larger than the sum of its proper divisors (55246307).

22243512253 is a wasteful number, since it uses less digits than its factorization.

22243512253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23147.

The product of its digits is 28800, while the sum is 31.

The spelling of 22243512253 in words is "twenty-two billion, two hundred forty-three million, five hundred twelve thousand, two hundred fifty-three".

Divisors: 1 509 2131 20507 1084679 10438063 43700417 22243512253