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19092818381923 = 1113209963609439
BaseRepresentation
bin1000101011101011001001…
…01010000100110001100011
32111121020220100012102110201
410111311210222010301203
510000304043001210143
6104335041503410031
74010260560344206
oct425654452046143
974536810172421
1019092818381923
1160a12452562a0
1221843962b3917
13a865a2a024a0
144a015115d93d
152319ac11764d
hex115d64a84c63

19092818381923 has 16 divisors (see below), whose sum is σ = 22441410432000. Its totient is φ = 16014312110880.

The previous prime is 19092818381911. The next prime is 19092818381941. The reversal of 19092818381923 is 32918381829091.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 19092818381923 - 241 = 16893795126371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19092818381953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31504563 + ... + 32104876.

It is an arithmetic number, because the mean of its divisors is an integer number (1402588152000).

Almost surely, 219092818381923 is an apocalyptic number.

19092818381923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

19092818381923 is a deficient number, since it is larger than the sum of its proper divisors (3348592050077).

19092818381923 is a wasteful number, since it uses less digits than its factorization.

19092818381923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63611562.

The product of its (nonzero) digits is 13436928, while the sum is 64.

The spelling of 19092818381923 in words is "nineteen trillion, ninety-two billion, eight hundred eighteen million, three hundred eighty-one thousand, nine hundred twenty-three".

Divisors: 1 11 13 143 2099 23089 27287 300157 63609439 699703829 826922707 9096149777 133516212461 1468678337071 1735710761993 19092818381923