Base | Representation |
---|---|
bin | 111111101011111111… |
… | …000001110000100010 |
3 | 20112111202221202012100 |
4 | 333223333001300202 |
5 | 2110022210134344 |
6 | 51225351311230 |
7 | 4640416445040 |
oct | 775377016042 |
9 | 215452852170 |
10 | 68383677474 |
11 | 27001892032 |
12 | 1130567b516 |
13 | 65aa6182a8 |
14 | 344a0b3390 |
15 | 1ba378a569 |
hex | febfc1c22 |
68383677474 has 48 divisors (see below), whose sum is σ = 170057826432. Its totient is φ = 19454330304.
The previous prime is 68383677457. The next prime is 68383677521. The reversal of 68383677474 is 47477638386.
It is a happy number.
68383677474 is a `hidden beast` number, since 6 + 83 + 83 + 6 + 7 + 7 + 474 = 666.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1135294 + ... + 1194009.
It is an arithmetic number, because the mean of its divisors is an integer number (3542871384).
Almost surely, 268383677474 is an apocalyptic number.
68383677474 is an abundant number, since it is smaller than the sum of its proper divisors (101674148958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68383677474 is a wasteful number, since it uses less digits than its factorization.
68383677474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2329551 (or 2329548 counting only the distinct ones).
The product of its digits is 113799168, while the sum is 63.
The spelling of 68383677474 in words is "sixty-eight billion, three hundred eighty-three million, six hundred seventy-seven thousand, four hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •