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19052734847 = 113279168193
BaseRepresentation
bin10001101111101000…
…011010100101111111
31211011211002012202012
4101233220122211333
5303010000003342
612430330121435
71243100400626
oct215750324577
954154065665
1019052734847
118097854763
12383888027b
131a48372903
14cca5846bd
15767a04b82
hex46fa1a97f

19052734847 has 4 divisors (see below), whose sum is σ = 19053016320. Its totient is φ = 19052453376.

The previous prime is 19052734829. The next prime is 19052734873. The reversal of 19052734847 is 74843725091.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 19052734847 - 26 = 19052734783 is a prime.

It is a super-2 number, since 2×190527348472 (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 = 19052734795 and 19052734804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19052734807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29183 + ... + 197375.

It is an arithmetic number, because the mean of its divisors is an integer number (4763254080).

Almost surely, 219052734847 is an apocalyptic number.

19052734847 is a deficient number, since it is larger than the sum of its proper divisors (281473).

19052734847 is a wasteful number, since it uses less digits than its factorization.

19052734847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281472.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 19052734847 in words is "nineteen billion, fifty-two million, seven hundred thirty-four thousand, eight hundred forty-seven".

Divisors: 1 113279 168193 19052734847