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9928448299 = 711128940887
BaseRepresentation
bin10010011111100100…
…00001100100101011
3221121221010102122101
421033302001210223
5130313140321144
64321105034231
7501015263260
oct111762014453
927557112571
109928448299
114235394180
121b11025977
13c22c275a3
146a2859267
153d19776d4
hex24fc8192b

9928448299 has 8 divisors (see below), whose sum is σ = 12378325248. Its totient is φ = 7736453160.

The previous prime is 9928448251. The next prime is 9928448329.

9928448299 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9928448299 - 29 = 9928447787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9928448299.

It is not an unprimeable number, because it can be changed into a prime (9928448219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64470367 + ... + 64470520.

It is an arithmetic number, because the mean of its divisors is an integer number (1547290656).

Almost surely, 29928448299 is an apocalyptic number.

9928448299 is a deficient number, since it is larger than the sum of its proper divisors (2449876949).

9928448299 is a wasteful number, since it uses less digits than its factorization.

9928448299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128940905.

The product of its digits is 26873856, while the sum is 64.

The square root of 9928448299 is about 99641.5992394743. The cubic root of 9928448299 is about 2149.2839366974.

The spelling of 9928448299 in words is "nine billion, nine hundred twenty-eight million, four hundred forty-eight thousand, two hundred ninety-nine".

Divisors: 1 7 11 77 128940887 902586209 1418349757 9928448299