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20104174903 = 237112311191
BaseRepresentation
bin10010101110010011…
…010101110100110111
31220220002112220100111
4102232103111310313
5312133132044103
613122530123451
71311125444551
oct225623256467
956802486314
1020104174903
11858731218a
123a90a20587
131b851507a7
14d8a0824d1
157c9e9786d
hex4ae4d5d37

20104174903 has 8 divisors (see below), whose sum is σ = 21273739776. Its totient is φ = 18959232600.

The previous prime is 20104174897. The next prime is 20104174907. The reversal of 20104174903 is 30947140102.

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 20104174903 - 213 = 20104166711 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 (20104174907) 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, 6153963 + ... + 6157228.

It is an arithmetic number, because the mean of its divisors is an integer number (2659217472).

Almost surely, 220104174903 is an apocalyptic number.

20104174903 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20104174903 is a deficient number, since it is larger than the sum of its proper divisors (1169564873).

20104174903 is a wasteful number, since it uses less digits than its factorization.

20104174903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12311285.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 20104174903 in words is "twenty billion, one hundred four million, one hundred seventy-four thousand, nine hundred three".

Divisors: 1 23 71 1633 12311191 283157393 874094561 20104174903