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20924124943 = 171378984167
BaseRepresentation
bin10011011111001011…
…001100111100001111
32000000020102200100111
4103133023030330033
5320323033444233
613340140340451
71340343061501
oct233713147417
960006380314
1020924124943
118968139847
12407b544727
131c85c9a127
141026d21d71
15826e60acd
hex4df2ccf0f

20924124943 has 8 divisors (see below), whose sum is σ = 22316673312. Its totient is φ = 19549545216.

The previous prime is 20924124937. The next prime is 20924124989. The reversal of 20924124943 is 34942142902.

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

It is not a de Polignac number, because 20924124943 - 229 = 20387254031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20924124896 and 20924124905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20924124743) 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, 4489755 + ... + 4494412.

It is an arithmetic number, because the mean of its divisors is an integer number (2789584164).

Almost surely, 220924124943 is an apocalyptic number.

20924124943 is a deficient number, since it is larger than the sum of its proper divisors (1392548369).

20924124943 is a wasteful number, since it uses less digits than its factorization.

20924124943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8984321.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 20924124943 in words is "twenty billion, nine hundred twenty-four million, one hundred twenty-four thousand, nine hundred forty-three".

Divisors: 1 17 137 2329 8984167 152730839 1230830879 20924124943