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22890935396 = 2276128574691
BaseRepresentation
bin10101010100011001…
…111111010001100100
32012002022100000002002
4111110121333101210
5333340034413041
614303240104432
71440154511660
oct252431772144
965068300062
1022890935396
11978737762a
12452a165118
13220a5c37b4
14117221b8a0
158de96959b
hex55467f464

22890935396 has 48 divisors (see below), whose sum is σ = 46558603392. Its totient is φ = 9644140800.

The previous prime is 22890935393. The next prime is 22890935461. The reversal of 22890935396 is 69353909822.

It is not an unprimeable number, because it can be changed into a prime (22890935393) 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, 4877411 + ... + 4882101.

It is an arithmetic number, because the mean of its divisors is an integer number (969970904).

Almost surely, 222890935396 is an apocalyptic number.

It is an amenable number.

22890935396 is an abundant number, since it is smaller than the sum of its proper divisors (23667667996).

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

22890935396 is a wasteful number, since it uses less digits than its factorization.

22890935396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7620 (or 7618 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 56.

The spelling of 22890935396 in words is "twenty-two billion, eight hundred ninety million, nine hundred thirty-five thousand, three hundred ninety-six".

Divisors: 1 2 4 7 14 28 61 122 244 427 854 1708 2857 4691 5714 9382 11428 18764 19999 32837 39998 65674 79996 131348 174277 286151 348554 572302 697108 1144604 1219939 2003057 2439878 4006114 4879756 8012228 13402187 26804374 53608748 93815309 187630618 375261236 817533407 1635066814 3270133628 5722733849 11445467698 22890935396