Base | Representation |
---|---|
bin | 100000000001011011… |
… | …0101110110100101111 |
3 | 20120111111221210101011 |
4 | 1000002312232310233 |
5 | 2111313422104420 |
6 | 51331415330051 |
7 | 4653056034436 |
oct | 1000266566457 |
9 | 216444853334 |
10 | 68767378735 |
11 | 27189435510 |
12 | 113b2080927 |
13 | 663bc71063 |
14 | 348503411d |
15 | 1bc72ce95a |
hex | 1002daed2f |
68767378735 has 16 divisors (see below), whose sum is σ = 90210723840. Its totient is φ = 49908209440.
The previous prime is 68767378703. The next prime is 68767378739. The reversal of 68767378735 is 53787376786.
It is not a de Polignac number, because 68767378735 - 25 = 68767378703 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68767378739) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278787 + ... + 1331476.
It is an arithmetic number, because the mean of its divisors is an integer number (5638170240).
Almost surely, 268767378735 is an apocalyptic number.
68767378735 is a deficient number, since it is larger than the sum of its proper divisors (21443345105).
68767378735 is a wasteful number, since it uses less digits than its factorization.
68767378735 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2610758.
The product of its digits is 248935680, while the sum is 67.
The spelling of 68767378735 in words is "sixty-eight billion, seven hundred sixty-seven million, three hundred seventy-eight thousand, seven hundred thirty-five".
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