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20373183830 = 253773754283
BaseRepresentation
bin10010111110010101…
…100001110101010110
31221120211201222020002
4102332111201311112
5313211013340310
613205340011302
71320603130256
oct227625416526
957524658202
1020373183830
11870514960a
123b46b30b32
131bc8aba47c
14db3aa9966
157e38d3da5
hex4be561d56

20373183830 has 32 divisors (see below), whose sum is σ = 38178838944. Its totient is φ = 7820395776.

The previous prime is 20373183829. The next prime is 20373183841. The reversal of 20373183830 is 3838137302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350132 + ... + 404151.

It is an arithmetic number, because the mean of its divisors is an integer number (1193088717).

Almost surely, 220373183830 is an apocalyptic number.

20373183830 is a deficient number, since it is larger than the sum of its proper divisors (17805655114).

20373183830 is a wasteful number, since it uses less digits than its factorization.

20373183830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754400.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 20373183830 in words is "twenty billion, three hundred seventy-three million, one hundred eighty-three thousand, eight hundred thirty".

Divisors: 1 2 5 10 37 73 74 146 185 365 370 730 2701 5402 13505 27010 754283 1508566 3771415 7542830 27908471 55062659 55816942 110125318 139542355 275313295 279084710 550626590 2037318383 4074636766 10186591915 20373183830