Base | Representation |
---|---|
bin | 100100010100100111… |
… | …0010011001001100001 |
3 | 21110100000200122200022 |
4 | 1020221032103021201 |
5 | 2234221230310013 |
6 | 55455544403225 |
7 | 5430636530666 |
oct | 1105116231141 |
9 | 243300618608 |
10 | 78001025633 |
11 | 30097600053 |
12 | 1314a476515 |
13 | 7480c5954b |
14 | 3abd4a9a6d |
15 | 2067c60008 |
hex | 1229393261 |
78001025633 has 8 divisors (see below), whose sum is σ = 79193464896. Its totient is φ = 76816954800.
The previous prime is 78001025611. The next prime is 78001025651. The reversal of 78001025633 is 33652010087.
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 78001025633 - 26 = 78001025569 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 78001025593 and 78001025602.
It is not an unprimeable number, because it can be changed into a prime (78001025653) 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, 2073323 + ... + 2110608.
It is an arithmetic number, because the mean of its divisors is an integer number (9899183112).
Almost surely, 278001025633 is an apocalyptic number.
It is an amenable number.
78001025633 is a deficient number, since it is larger than the sum of its proper divisors (1192439263).
78001025633 is a wasteful number, since it uses less digits than its factorization.
78001025633 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4184215.
The product of its (nonzero) digits is 30240, while the sum is 35.
The spelling of 78001025633 in words is "seventy-eight billion, one million, twenty-five thousand, six hundred thirty-three".
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