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10204814891 = 83839146543
BaseRepresentation
bin10011000000100000…
…10001111000101011
3222100012011022100002
421200100101320223
5131344413034031
64404340333215
7510612331625
oct114020217053
928305138302
1010204814891
114367396517
121b896a420b
13c6826c20b
146cb439c15
153ead68ccb
hex260411e2b

10204814891 has 8 divisors (see below), whose sum is σ = 10340144640. Its totient is φ = 10069780072.

The previous prime is 10204814863. The next prime is 10204814903. The reversal of 10204814891 is 19841840201.

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 10204814891 - 218 = 10204552747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10204817891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3635 + ... + 142908.

It is an arithmetic number, because the mean of its divisors is an integer number (1292518080).

Almost surely, 210204814891 is an apocalyptic number.

10204814891 is a deficient number, since it is larger than the sum of its proper divisors (135329749).

10204814891 is an equidigital number, since it uses as much as digits as its factorization.

10204814891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147465.

The product of its (nonzero) digits is 18432, while the sum is 38.

The spelling of 10204814891 in words is "ten billion, two hundred four million, eight hundred fourteen thousand, eight hundred ninety-one".

Divisors: 1 83 839 69637 146543 12163069 122949577 10204814891