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19314201023 = 131485707771
BaseRepresentation
bin10001111111001101…
…110101000110111111
31211212001002001220122
4101333031311012333
5304023413413043
612512310205155
71252423666655
oct217715650677
954761061818
1019314201023
1182113aa107
1238b03537bb
131a8a59b320
14d131a6dd5
15780951368
hex47f3751bf

19314201023 has 4 divisors (see below), whose sum is σ = 20799908808. Its totient is φ = 17828493240.

The previous prime is 19314200959. The next prime is 19314201059. The reversal of 19314201023 is 32010241391.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19314201023 - 26 = 19314200959 is a prime.

It is a super-2 number, since 2×193142010232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19314200983 and 19314201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19314201083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742853873 + ... + 742853898.

It is an arithmetic number, because the mean of its divisors is an integer number (5199977202).

Almost surely, 219314201023 is an apocalyptic number.

19314201023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

19314201023 is a deficient number, since it is larger than the sum of its proper divisors (1485707785).

19314201023 is a wasteful number, since it uses less digits than its factorization.

19314201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485707784.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 19314201023 in words is "nineteen billion, three hundred fourteen million, two hundred one thousand, twenty-three".

Divisors: 1 13 1485707771 19314201023