Base | Representation |
---|---|
bin | 100100011011111000… |
… | …1000001110111111000 |
3 | 21110222000210101121000 |
4 | 1020313301001313320 |
5 | 2240221210322221 |
6 | 55540102045000 |
7 | 5436661422261 |
oct | 1106761016770 |
9 | 243860711530 |
10 | 78245010936 |
11 | 302022a58a4 |
12 | 131b8119760 |
13 | 74bc674351 |
14 | 3b03a5b968 |
15 | 207e3a6e26 |
hex | 1237c41df8 |
78245010936 has 32 divisors (see below), whose sum is σ = 217347253200. Its totient is φ = 26081670240.
The previous prime is 78245010923. The next prime is 78245010953. The reversal of 78245010936 is 63901054287.
It is a super-2 number, since 2×782450109362 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 78245010891 and 78245010900.
It is a congruent number.
It is an unprimeable number.
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, 181122495 + ... + 181122926.
It is a 1-persistent number, because it is pandigital, but 2⋅78245010936 = 156490021872 is not.
Almost surely, 278245010936 is an apocalyptic number.
It is an amenable number.
78245010936 is an abundant number, since it is smaller than the sum of its proper divisors (139102242264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78245010936 is a wasteful number, since it uses less digits than its factorization.
78245010936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 362245436 (or 362245426 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The spelling of 78245010936 in words is "seventy-eight billion, two hundred forty-five million, ten thousand, nine hundred thirty-six".
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