Base | Representation |
---|---|
bin | 10111110001101101… |
… | …11000001001110110 |
3 | 1012221121201202000020 |
4 | 23320312320021312 |
5 | 202120324214232 |
6 | 5510355430010 |
7 | 631221206232 |
oct | 137066701166 |
9 | 35847652006 |
10 | 12765069942 |
11 | 5460604a89 |
12 | 2582bb5306 |
13 | 1285807731 |
14 | 8914935c2 |
15 | 4ea9e7e2c |
hex | 2f8db8276 |
12765069942 has 16 divisors (see below), whose sum is σ = 25725028032. Its totient is φ = 4222541960.
The previous prime is 12765069887. The next prime is 12765069949. The reversal of 12765069942 is 24996056721.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12765069949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8119488 + ... + 8121059.
It is an arithmetic number, because the mean of its divisors is an integer number (1607814252).
Almost surely, 212765069942 is an apocalyptic number.
12765069942 is an abundant number, since it is smaller than the sum of its proper divisors (12959958090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12765069942 is a wasteful number, since it uses less digits than its factorization.
12765069942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16240683.
The product of its (nonzero) digits is 1632960, while the sum is 51.
The spelling of 12765069942 in words is "twelve billion, seven hundred sixty-five million, sixty-nine thousand, nine hundred forty-two".
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