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19483344828 = 22331271420483
BaseRepresentation
bin10010001001010011…
…000011111110111100
31212021211100110121000
4102021103003332330
5304400214013303
612541151410300
71256546461413
oct221123037674
955254313530
1019483344828
118298927382
123938b23990
131ab6640a0c
14d2b83647a
15790712da3
hex4894c3fbc

19483344828 has 48 divisors (see below), whose sum is σ = 50910146560. Its totient is φ = 6443306352.

The previous prime is 19483344799. The next prime is 19483344863. The reversal of 19483344828 is 82844338491.

19483344828 is a `hidden beast` number, since 194 + 8 + 3 + 3 + 448 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696526 + ... + 723957.

Almost surely, 219483344828 is an apocalyptic number.

19483344828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19483344828 is an abundant number, since it is smaller than the sum of its proper divisors (31426801732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19483344828 is a wasteful number, since it uses less digits than its factorization.

19483344828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420623 (or 1420615 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 19483344828 in words is "nineteen billion, four hundred eighty-three million, three hundred forty-four thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 127 254 381 508 762 1143 1524 2286 3429 4572 6858 13716 1420483 2840966 4261449 5681932 8522898 12784347 17045796 25568694 38353041 51137388 76706082 153412164 180401341 360802682 541204023 721605364 1082408046 1623612069 2164816092 3247224138 4870836207 6494448276 9741672414 19483344828