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22669679952 = 243547131947
BaseRepresentation
bin10101000111001101…
…111101110101010000
32011111220000001200000
4111013031331311100
5332411414224302
614225253530000
71431530046243
oct250715756520
964456001600
1022669679952
119683497097
124488043900
1321a380680a
141150aa525a
158ca31231c
hex54737dd50

22669679952 has 240 divisors, whose sum is σ = 67777661952. Its totient is φ = 7331575680.

The previous prime is 22669679939. The next prime is 22669679993. The reversal of 22669679952 is 25997696622.

It is a super-2 number, since 2×226696799522 (a number of 22 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 22669679952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23937943 + ... + 23938889.

Almost surely, 222669679952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22669679952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33888830976).

22669679952 is an abundant number, since it is smaller than the sum of its proper divisors (45107982000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22669679952 is a wasteful number, since it uses less digits than its factorization.

22669679952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1130 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 22669679952 in words is "twenty-two billion, six hundred sixty-nine million, six hundred seventy-nine thousand, nine hundred fifty-two".