Base | Representation |
---|---|
bin | 11111000000100111100011… |
… | …01001100101111001000100 |
3 | 22221102222202220022011200002 |
4 | 33200103301221211321010 |
5 | 32414220033440102320 |
6 | 401010254154540432 |
7 | 20235430301622452 |
oct | 1740236151457104 |
9 | 287388686264602 |
10 | 68190955003460 |
11 | 1a800692401793 |
12 | 7793a44a37718 |
13 | 2c084c18b8653 |
14 | 12ba661acb9d2 |
15 | 7d3c0ad73675 |
hex | 3e04f1a65e44 |
68190955003460 has 12 divisors (see below), whose sum is σ = 143201005507308. Its totient is φ = 27276382001376.
The previous prime is 68190955003351. The next prime is 68190955003477. The reversal of 68190955003460 is 6430055909186.
It can be written as a sum of positive squares in 2 ways, for example, as 42364373299264 + 25826581704196 = 6508792^2 + 5081986^2 .
It is a super-2 number, since 2×681909550034602 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 68190955003396 and 68190955003405.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1704773875067 + ... + 1704773875106.
It is an arithmetic number, because the mean of its divisors is an integer number (11933417125609).
Almost surely, 268190955003460 is an apocalyptic number.
It is an amenable number.
68190955003460 is an abundant number, since it is smaller than the sum of its proper divisors (75010050503848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68190955003460 is a wasteful number, since it uses less digits than its factorization.
68190955003460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3409547750182 (or 3409547750180 counting only the distinct ones).
The product of its (nonzero) digits is 6998400, while the sum is 56.
The spelling of 68190955003460 in words is "sixty-eight trillion, one hundred ninety billion, nine hundred fifty-five million, three thousand, four hundred sixty".
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