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9868974408 = 2332137069089
BaseRepresentation
bin10010011000011110…
…01001100101001000
3221110210012211210200
421030033021211020
5130202424140113
64311142212200
7466363620066
oct111417114510
927423184720
109868974408
1142048625a7
121ab5124060
13c13802c37
146989b7036
153cb62a873
hex24c3c9948

9868974408 has 24 divisors (see below), whose sum is σ = 26728472550. Its totient is φ = 3289658112.

The previous prime is 9868974407. The next prime is 9868974431. The reversal of 9868974408 is 8044798689.

9868974408 is a `hidden beast` number, since 9 + 86 + 89 + 74 + 408 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6040087524 + 3828886884 = 77718^2 + 61878^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (9868974407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68534473 + ... + 68534616.

Almost surely, 29868974408 is an apocalyptic number.

It is an amenable number.

9868974408 is an abundant number, since it is smaller than the sum of its proper divisors (16859498142).

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

9868974408 is a wasteful number, since it uses less digits than its factorization.

9868974408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137069101 (or 137069094 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The square root of 9868974408 is about 99342.7119017797. The cubic root of 9868974408 is about 2144.9837558879.

The spelling of 9868974408 in words is "nine billion, eight hundred sixty-eight million, nine hundred seventy-four thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 137069089 274138178 411207267 548276356 822414534 1096552712 1233621801 1644829068 2467243602 3289658136 4934487204 9868974408