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928209484031 = 3832423523457
BaseRepresentation
bin11011000000111011001…
…10001011100011111111
310021201212111220100110012
431200131212023203333
5110201433111442111
61550225154333435
7124026616302134
oct15403546134377
93251774810405
10928209484031
11328719067765
1212ba8758a27b
13696b6c01bab
1432cd5b0658b
1519228d7248b
hexd81d98b8ff

928209484031 has 4 divisors (see below), whose sum is σ = 930633007872. Its totient is φ = 925785960192.

The previous prime is 928209484021. The next prime is 928209484049. The reversal of 928209484031 is 130484902829.

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 928209484031 - 210 = 928209483007 is a prime.

It is a super-2 number, since 2×9282094840312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (928209484021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211761346 + ... + 1211762111.

It is an arithmetic number, because the mean of its divisors is an integer number (232658251968).

Almost surely, 2928209484031 is an apocalyptic number.

928209484031 is a deficient number, since it is larger than the sum of its proper divisors (2423523841).

928209484031 is a wasteful number, since it uses less digits than its factorization.

928209484031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423523840.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 928209484031 in words is "nine hundred twenty-eight billion, two hundred nine million, four hundred eighty-four thousand, thirty-one".

Divisors: 1 383 2423523457 928209484031