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22690246264 = 2376722726641
BaseRepresentation
bin10101001000011100…
…011010111001111000
32011120022200221100021
4111020130122321320
5332432200340024
614231310420224
71432166624320
oct251034327170
964508627307
1022690246264
119694063944
124492b01674
1321a7b5792a
1411536da280
158cc025de4
hex54871ae78

22690246264 has 64 divisors (see below), whose sum is σ = 49566908160. Its totient is φ = 9536693760.

The previous prime is 22690246247. The next prime is 22690246301. The reversal of 22690246264 is 46264209622.

It is a self number, because there is not a number n which added to its sum of digits gives 22690246264.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 838384 + ... + 865024.

It is an arithmetic number, because the mean of its divisors is an integer number (774482940).

Almost surely, 222690246264 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 22690246264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24783454080).

22690246264 is an abundant number, since it is smaller than the sum of its proper divisors (26876661896).

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

22690246264 is a wasteful number, since it uses less digits than its factorization.

22690246264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26948 (or 26944 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 22690246264 in words is "twenty-two billion, six hundred ninety million, two hundred forty-six thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 67 134 227 268 454 469 536 908 938 1589 1816 1876 3178 3752 6356 12712 15209 26641 30418 53282 60836 106463 106564 121672 186487 212926 213128 372974 425852 745948 851704 1491896 1784947 3569894 6047507 7139788 12095014 12494629 14279576 24190028 24989258 42332549 48380056 49978516 84665098 99957032 169330196 338660392 405182969 810365938 1620731876 2836280783 3241463752 5672561566 11345123132 22690246264