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14989726648 = 2313144131987
BaseRepresentation
bin11011111010111010…
…10001001110111000
31102200122211000022001
431331131101032320
5221144332223043
610515225510344
71040313400651
oct157535211670
942618730261
1014989726648
1163a2345546
122aa40423b4
13154b68cc50
14a22b0c528
155cae8574d
hex37d7513b8

14989726648 has 16 divisors (see below), whose sum is σ = 30267717480. Its totient is φ = 6918335328.

The previous prime is 14989726627. The next prime is 14989726667. The reversal of 14989726648 is 84662798941.

It is a super-2 number, since 2×149897266482 (a number of 21 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 14989726648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72065890 + ... + 72066097.

Almost surely, 214989726648 is an apocalyptic number.

It is an amenable number.

14989726648 is an abundant number, since it is smaller than the sum of its proper divisors (15277990832).

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

14989726648 is a wasteful number, since it uses less digits than its factorization.

14989726648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144132006 (or 144132002 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 64.

The spelling of 14989726648 in words is "fourteen billion, nine hundred eighty-nine million, seven hundred twenty-six thousand, six hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 144131987 288263974 576527948 1153055896 1873715831 3747431662 7494863324 14989726648