Base | Representation |
---|---|
bin | 10011110101000000111… |
… | …10001011111110100110 |
3 | 2102010112202200200011020 |
4 | 21322200132023332212 |
5 | 42130244024210320 |
6 | 1240552241152010 |
7 | 100136114543232 |
oct | 11724036137646 |
9 | 2363482620136 |
10 | 681297100710 |
11 | 242a334a7636 |
12 | b005902b606 |
13 | 4c327723725 |
14 | 24d913c75c2 |
15 | 12ac7157940 |
hex | 9ea078bfa6 |
681297100710 has 32 divisors (see below), whose sum is σ = 1635135379200. Its totient is φ = 181676744928.
The previous prime is 681297100709. The next prime is 681297100711. The reversal of 681297100710 is 17001792186.
It is an interprime number because it is at equal distance from previous prime (681297100709) and next prime (681297100711).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (681297100711) 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, 3454341 + ... + 3646239.
It is an arithmetic number, because the mean of its divisors is an integer number (51097980600).
Almost surely, 2681297100710 is an apocalyptic number.
681297100710 is an abundant number, since it is smaller than the sum of its proper divisors (953838278490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
681297100710 is a wasteful number, since it uses less digits than its factorization.
681297100710 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310252.
The product of its (nonzero) digits is 42336, while the sum is 42.
Adding to 681297100710 its reverse (17001792186), we get a palindrome (698298892896).
The spelling of 681297100710 in words is "six hundred eighty-one billion, two hundred ninety-seven million, one hundred thousand, seven hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •