Base | Representation |
---|---|
bin | 11111000011000111110001… |
… | …01000010100001100110000 |
3 | 22221202012210112102122222221 |
4 | 33201203320220110030300 |
5 | 32422122214143032110 |
6 | 401114001354010424 |
7 | 20244564000453100 |
oct | 1741437050241460 |
9 | 287665715378887 |
10 | 68276971455280 |
11 | 1a8341124560a5 |
12 | 77a864b716a14 |
13 | 2c1364c329613 |
14 | 12c08a1919200 |
15 | 7d60926297da |
hex | 3e18f8a14330 |
68276971455280 has 120 divisors (see below), whose sum is σ = 184669855765632. Its totient is φ = 23408167781376.
The previous prime is 68276971455263. The next prime is 68276971455289. The reversal of 68276971455280 is 8255417967286.
It is a super-2 number, since 2×682769714552802 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (70).
It is not an unprimeable number, because it can be changed into a prime (68276971455289) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87037284 + ... + 87818236.
Almost surely, 268276971455280 is an apocalyptic number.
It is an amenable number.
68276971455280 is an abundant number, since it is smaller than the sum of its proper divisors (116392884310352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68276971455280 is a wasteful number, since it uses less digits than its factorization.
68276971455280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 803283 (or 803270 counting only the distinct ones).
The product of its (nonzero) digits is 406425600, while the sum is 70.
The spelling of 68276971455280 in words is "sixty-eight trillion, two hundred seventy-six billion, nine hundred seventy-one million, four hundred fifty-five thousand, two hundred eighty".
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