Base | Representation |
---|---|
bin | 10111110100000001… |
… | …00000110011001110 |
3 | 1012222222001102202011 |
4 | 23322000200303032 |
5 | 202140244413232 |
6 | 5512325251434 |
7 | 631544243215 |
oct | 137200406316 |
9 | 35888042664 |
10 | 12784372942 |
11 | 5470499680 |
12 | 2589563b7a |
13 | 1289805823 |
14 | 893c7a07c |
15 | 4ec55c547 |
hex | 2fa020cce |
12784372942 has 8 divisors (see below), whose sum is σ = 20919883032. Its totient is φ = 5811078600.
The previous prime is 12784372921. The next prime is 12784372943. The reversal of 12784372942 is 24927348721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12784372943) 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, 290553909 + ... + 290553952.
It is an arithmetic number, because the mean of its divisors is an integer number (2614985379).
Almost surely, 212784372942 is an apocalyptic number.
12784372942 is a deficient number, since it is larger than the sum of its proper divisors (8135510090).
12784372942 is a wasteful number, since it uses less digits than its factorization.
12784372942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 581107874.
The product of its digits is 1354752, while the sum is 49.
The spelling of 12784372942 in words is "twelve billion, seven hundred eighty-four million, three hundred seventy-two thousand, nine hundred forty-two".
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