Base | Representation |
---|---|
bin | 100001100101101001… |
… | …1111000011111011111 |
3 | 20220011220012012122222 |
4 | 1003023103320133133 |
5 | 2140210344314321 |
6 | 53045234055555 |
7 | 5132313553055 |
oct | 1031323703737 |
9 | 226156165588 |
10 | 72130463711 |
11 | 28654847a89 |
12 | 11b9041a5bb |
13 | 6a56940577 |
14 | 36c39521d5 |
15 | 1d226943ab |
hex | 10cb4f87df |
72130463711 has 4 divisors (see below), whose sum is σ = 72143139432. Its totient is φ = 72117787992.
The previous prime is 72130463693. The next prime is 72130463807. The reversal of 72130463711 is 11736403127.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 72130463711 - 234 = 54950594527 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72130063711) 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, 6329321 + ... + 6340706.
It is an arithmetic number, because the mean of its divisors is an integer number (18035784858).
Almost surely, 272130463711 is an apocalyptic number.
72130463711 is a deficient number, since it is larger than the sum of its proper divisors (12675721).
72130463711 is a wasteful number, since it uses less digits than its factorization.
72130463711 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12675720.
The product of its (nonzero) digits is 21168, while the sum is 35.
Adding to 72130463711 its reverse (11736403127), we get a palindrome (83866866838).
The spelling of 72130463711 in words is "seventy-two billion, one hundred thirty million, four hundred sixty-three thousand, seven hundred eleven".
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