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8992505407 = 10189034707
BaseRepresentation
bin10000101111111111…
…01011111000111111
3212012200222121100211
420113333223320333
5121404040133112
64044152333251
7435562014634
oct102777537077
925180877324
108992505407
1138a5042456
1218ab6a4227
13b04057c22
1461442418b
153796eb0a7
hex217febe3f

8992505407 has 4 divisors (see below), whose sum is σ = 9081540216. Its totient is φ = 8903470600.

The previous prime is 8992505363. The next prime is 8992505429. The reversal of 8992505407 is 7045052998.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8992505407 - 231 = 6845021759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8992575407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44517253 + ... + 44517454.

It is an arithmetic number, because the mean of its divisors is an integer number (2270385054).

Almost surely, 28992505407 is an apocalyptic number.

8992505407 is a deficient number, since it is larger than the sum of its proper divisors (89034809).

8992505407 is a wasteful number, since it uses less digits than its factorization.

8992505407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89034808.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 8992505407 is about 94828.8216050374. The cubic root of 8992505407 is about 2079.5062782028.

The spelling of 8992505407 in words is "eight billion, nine hundred ninety-two million, five hundred five thousand, four hundred seven".

Divisors: 1 101 89034707 8992505407