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1984473012 = 223198703829
BaseRepresentation
bin111011001001000…
…1010011110110100
312010022010200012110
41312102022132310
513031011114022
6524530051020
7100114512414
oct16622123664
95108120173
101984473012
11929201a45
12474719a70
1325819bbb2
1414b7b6644
15b934700c
hex7648a7b4

1984473012 has 24 divisors (see below), whose sum is σ = 4874144800. Its totient is φ = 626675616.

The previous prime is 1984472983. The next prime is 1984473013. The reversal of 1984473012 is 2103744891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984473013) 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, 4351687 + ... + 4352142.

Almost surely, 21984473012 is an apocalyptic number.

1984473012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1984473012 is an abundant number, since it is smaller than the sum of its proper divisors (2889671788).

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

1984473012 is a wasteful number, since it uses less digits than its factorization.

1984473012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8703855 (or 8703853 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1984473012 is about 44547.4243026463. The cubic root of 1984473012 is about 1256.6521126147.

The spelling of 1984473012 in words is "one billion, nine hundred eighty-four million, four hundred seventy-three thousand, twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 8703829 17407658 26111487 34815316 52222974 104445948 165372751 330745502 496118253 661491004 992236506 1984473012