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22117719131 = 972231022501
BaseRepresentation
bin10100100110010100…
…011001110001011011
32010002102101112202122
4110212110121301123
5330244114003011
614054415251455
71412045340104
oct244624316133
963072345678
1022117719131
11941a96a822
124353219b8b
13211635a991
1410db6653ab
15896b333db
hex526519c5b

22117719131 has 8 divisors (see below), whose sum is σ = 22445963904. Its totient is φ = 21791520000.

The previous prime is 22117719109. The next prime is 22117719157. The reversal of 22117719131 is 13191771122.

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-22117719131 is a prime.

It is a super-2 number, since 2×221177191312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22117719091 and 22117719100.

It is not an unprimeable number, because it can be changed into a prime (22117713131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489620 + ... + 532881.

It is an arithmetic number, because the mean of its divisors is an integer number (2805745488).

Almost surely, 222117719131 is an apocalyptic number.

22117719131 is a deficient number, since it is larger than the sum of its proper divisors (328244773).

22117719131 is a wasteful number, since it uses less digits than its factorization.

22117719131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022821.

The product of its digits is 5292, while the sum is 35.

The spelling of 22117719131 in words is "twenty-two billion, one hundred seventeen million, seven hundred nineteen thousand, one hundred thirty-one".

Divisors: 1 97 223 21631 1022501 99182597 228017723 22117719131