Base | Representation |
---|---|
bin | 101000110101011110… |
… | …1110100110100010110 |
3 | 22101100112121121200111 |
4 | 1101222331310310112 |
5 | 2414044122003232 |
6 | 104141441233234 |
7 | 6223065113362 |
oct | 1215275646426 |
9 | 271315547614 |
10 | 87693937942 |
11 | 34210a3a586 |
12 | 14bb463281a |
13 | 8367136b10 |
14 | 435c9322a2 |
15 | 2433bae047 |
hex | 146af74d16 |
87693937942 has 16 divisors (see below), whose sum is σ = 149115198960. Its totient is φ = 38343907872.
The previous prime is 87693937937. The next prime is 87693937993. The reversal of 87693937942 is 24973939678.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88758553 + ... + 88759540.
It is an arithmetic number, because the mean of its divisors is an integer number (9319699935).
Almost surely, 287693937942 is an apocalyptic number.
87693937942 is a deficient number, since it is larger than the sum of its proper divisors (61421261018).
87693937942 is a wasteful number, since it uses less digits than its factorization.
87693937942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177518127.
The product of its digits is 123451776, while the sum is 67.
The spelling of 87693937942 in words is "eighty-seven billion, six hundred ninety-three million, nine hundred thirty-seven thousand, nine hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •