Base | Representation |
---|---|
bin | 10110011010010101… |
… | …11001100010011011 |
3 | 1011001112120002001122 |
4 | 23031022321202123 |
5 | 144120210332422 |
6 | 5305534035455 |
7 | 604111224635 |
oct | 131512714233 |
9 | 34045502048 |
10 | 12032120987 |
11 | 5114900647 |
12 | 23b9648b8b |
13 | 1199a00023 |
14 | 821dbda55 |
15 | 4a64b7d42 |
hex | 2cd2b989b |
12032120987 has 8 divisors (see below), whose sum is σ = 12147589440. Its totient is φ = 11917189000.
The previous prime is 12032120963. The next prime is 12032120993. The reversal of 12032120987 is 78902123021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12032120987 - 28 = 12032120731 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12032120917) 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, 88973 + ... + 178830.
It is an arithmetic number, because the mean of its divisors is an integer number (1518448680).
Almost surely, 212032120987 is an apocalyptic number.
12032120987 is a deficient number, since it is larger than the sum of its proper divisors (115468453).
12032120987 is a wasteful number, since it uses less digits than its factorization.
12032120987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268233.
The product of its (nonzero) digits is 12096, while the sum is 35.
The spelling of 12032120987 in words is "twelve billion, thirty-two million, one hundred twenty thousand, nine hundred eighty-seven".
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