Base | Representation |
---|---|
bin | 111011011001010… |
… | …0101010001100100 |
3 | 12010220010102202020 |
4 | 1312302211101210 |
5 | 13040200040424 |
6 | 525432143140 |
7 | 100246656066 |
oct | 16662452144 |
9 | 5126112666 |
10 | 1992971364 |
11 | 932a8697a |
12 | 477537ab0 |
13 | 259b860c7 |
14 | 14c989736 |
15 | b9e75079 |
hex | 76ca5464 |
1992971364 has 12 divisors (see below), whose sum is σ = 4650266544. Its totient is φ = 664323784.
The previous prime is 1992971339. The next prime is 1992971371. The reversal of 1992971364 is 4631792991.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83040462 + ... + 83040485.
It is an arithmetic number, because the mean of its divisors is an integer number (387522212).
Almost surely, 21992971364 is an apocalyptic number.
It is an amenable number.
1992971364 is an abundant number, since it is smaller than the sum of its proper divisors (2657295180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1992971364 is a wasteful number, since it uses less digits than its factorization.
1992971364 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166080954 (or 166080952 counting only the distinct ones).
The product of its digits is 734832, while the sum is 51.
The square root of 1992971364 is about 44642.7078479789. The cubic root of 1992971364 is about 1258.4433964846.
It can be divided in two parts, 199297 and 1364, that added together give a triangular number (200661 = T633).
The spelling of 1992971364 in words is "one billion, nine hundred ninety-two million, nine hundred seventy-one thousand, three hundred sixty-four".
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