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19428198753 = 324472646533
BaseRepresentation
bin10010000110000000…
…101100100101100001
31212010222120202101210
4102012000230211201
5304242104330003
612531501420333
71255306651605
oct220600544541
955128522353
1019428198753
11826a791307
12392256a6a9
131aa80a31c2
14d2439d505
1578a96d503
hex48602c961

19428198753 has 8 divisors (see below), whose sum is σ = 25914860928. Its totient is φ = 12946834544.

The previous prime is 19428198707. The next prime is 19428198809. The reversal of 19428198753 is 35789182491.

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 19428198753 - 29 = 19428198241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19428198693 and 19428198702.

It is not an unprimeable number, because it can be changed into a prime (19428198353) 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, 1315926 + ... + 1330607.

It is an arithmetic number, because the mean of its divisors is an integer number (3239357616).

Almost surely, 219428198753 is an apocalyptic number.

It is an amenable number.

19428198753 is a deficient number, since it is larger than the sum of its proper divisors (6486662175).

19428198753 is a wasteful number, since it uses less digits than its factorization.

19428198753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648983.

The product of its digits is 4354560, while the sum is 57.

The spelling of 19428198753 in words is "nineteen billion, four hundred twenty-eight million, one hundred ninety-eight thousand, seven hundred fifty-three".

Divisors: 1 3 2447 7341 2646533 7939599 6476066251 19428198753