Base | Representation |
---|---|
bin | 100100100010111001… |
… | …1111100101100111010 |
3 | 21111120110012110111210 |
4 | 1021011303330230322 |
5 | 2241212022012320 |
6 | 100015320503550 |
7 | 5445552402534 |
oct | 1110563745472 |
9 | 244513173453 |
10 | 78480657210 |
11 | 3031331538a |
12 | 1326301abb6 |
13 | 752942c607 |
14 | 3b2707c854 |
15 | 2094e030e0 |
hex | 1245cfcb3a |
78480657210 has 64 divisors (see below), whose sum is σ = 190343260800. Its totient is φ = 20707372800.
The previous prime is 78480657197. The next prime is 78480657251. The reversal of 78480657210 is 1275608487.
It is a super-2 number, since 2×784806572102 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 78480657210.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5122141 + ... + 5137439.
It is an arithmetic number, because the mean of its divisors is an integer number (2974113450).
Almost surely, 278480657210 is an apocalyptic number.
78480657210 is an abundant number, since it is smaller than the sum of its proper divisors (111862603590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78480657210 is a wasteful number, since it uses less digits than its factorization.
78480657210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17103.
The product of its (nonzero) digits is 752640, while the sum is 48.
The spelling of 78480657210 in words is "seventy-eight billion, four hundred eighty million, six hundred fifty-seven thousand, two hundred ten".
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