Base | Representation |
---|---|
bin | 100100000010100011… |
… | …0110000101110100100 |
3 | 21101202210110220121220 |
4 | 1020011012300232210 |
5 | 2232001114213420 |
6 | 55315500540340 |
7 | 5406631145043 |
oct | 1100506605644 |
9 | 241683426556 |
10 | 77395069860 |
11 | 2a906554559 |
12 | 12bbb5516b0 |
13 | 73b5556b34 |
14 | 3a62c1255a |
15 | 202e967840 |
hex | 12051b0ba4 |
77395069860 has 48 divisors (see below), whose sum is σ = 218360463552. Its totient is φ = 20481136000.
The previous prime is 77395069859. The next prime is 77395069879. The reversal of 77395069860 is 6896059377.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a junction number, because it is equal to n+sod(n) for n = 77395069794 and 77395069803.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4915491 + ... + 4931210.
It is an arithmetic number, because the mean of its divisors is an integer number (4549176324).
Almost surely, 277395069860 is an apocalyptic number.
It is an amenable number.
77395069860 is an abundant number, since it is smaller than the sum of its proper divisors (140965393692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
77395069860 is a wasteful number, since it uses less digits than its factorization.
77395069860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9846844 (or 9846842 counting only the distinct ones).
The product of its (nonzero) digits is 17146080, while the sum is 60.
The spelling of 77395069860 in words is "seventy-seven billion, three hundred ninety-five million, sixty-nine thousand, eight hundred sixty".
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