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22994358887640 = 23357229134848457
BaseRepresentation
bin1010011101001110010101…
…00101111110010011011000
310000102020110101222120201110
411032213022211332103120
511003214421333401030
6120523243533020320
74562200435432200
oct516471245762330
9100366411876643
1022994358887640
117365942148588
1226b45643246a0
13caa4881c351a
14596d0bc87400
1529d2092341b0
hex14e9ca97e4d8

22994358887640 has 192 divisors, whose sum is σ = 83012710744800. Its totient is φ = 5074617096192.

The previous prime is 22994358887639. The next prime is 22994358887719. The reversal of 22994358887640 is 4678885349922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67253709 + ... + 67594748.

Almost surely, 222994358887640 is an apocalyptic number.

22994358887640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22994358887640 is an abundant number, since it is smaller than the sum of its proper divisors (60018351857160).

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

22994358887640 is a wasteful number, since it uses less digits than its factorization.

22994358887640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134848514 (or 134848503 counting only the distinct ones).

The product of its (nonzero) digits is 1672151040, while the sum is 75.

The spelling of 22994358887640 in words is "twenty-two trillion, nine hundred ninety-four billion, three hundred fifty-eight million, eight hundred eighty-seven thousand, six hundred forty".