Base | Representation |
---|---|
bin | 10001110010101010011000… |
… | …111100110101010011100100 |
3 | 101021001110111012011022122111 |
4 | 101302222120330311103210 |
5 | 40224004434223013330 |
6 | 434230432543410404 |
7 | 22324152221155030 |
oct | 2162523074652344 |
9 | 337043435138574 |
10 | 78248280282340 |
11 | 22a28a00322243 |
12 | 893905a8b3a04 |
13 | 3487a202c871c |
14 | 154734637b1c0 |
15 | 90a63d7c932a |
hex | 472a98f354e4 |
78248280282340 has 96 divisors (see below), whose sum is σ = 196195074566400. Its totient is φ = 25646414707200.
The previous prime is 78248280282331. The next prime is 78248280282371. The reversal of 78248280282340 is 4328208284287.
It is a happy number.
It is a super-2 number, since 2×782482802823402 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (58).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95000710 + ... + 95820829.
It is an arithmetic number, because the mean of its divisors is an integer number (2043698693400).
Almost surely, 278248280282340 is an apocalyptic number.
78248280282340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
78248280282340 is an abundant number, since it is smaller than the sum of its proper divisors (117946794284060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78248280282340 is a wasteful number, since it uses less digits than its factorization.
78248280282340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190821685 (or 190821683 counting only the distinct ones).
The product of its (nonzero) digits is 22020096, while the sum is 58.
The spelling of 78248280282340 in words is "seventy-eight trillion, two hundred forty-eight billion, two hundred eighty million, two hundred eighty-two thousand, three hundred forty".
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