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22100132031 = 359790115803
BaseRepresentation
bin10100100101010001…
…010100000010111111
32010001012022000210120
4110211101110002333
5330230113211111
614052550310023
71411443010545
oct244521240277
963035260716
1022100132031
119410a4832a
124349358313
132112810903
1410d91a7d95
1589530c406
hex5254540bf

22100132031 has 16 divisors (see below), whose sum is σ = 29971969920. Its totient is φ = 14480952800.

The previous prime is 22100132027. The next prime is 22100132057. The reversal of 22100132031 is 13023100122.

It is not a de Polignac number, because 22100132031 - 22 = 22100132027 is a prime.

It is a super-2 number, since 2×221001320312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22100132031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100132071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390576 + ... + 1406378.

It is an arithmetic number, because the mean of its divisors is an integer number (1873248120).

Almost surely, 222100132031 is an apocalyptic number.

22100132031 is a deficient number, since it is larger than the sum of its proper divisors (7871837889).

22100132031 is a wasteful number, since it uses less digits than its factorization.

22100132031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23766.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22100132031 its reverse (13023100122), we get a palindrome (35123232153).

The spelling of 22100132031 in words is "twenty-two billion, one hundred million, one hundred thirty-two thousand, thirty-one".

Divisors: 1 3 59 177 7901 15803 23703 47409 466159 932377 1398477 2797131 124859503 374578509 7366710677 22100132031