Base | Representation |
---|---|
bin | 1000001010100… |
… | …11101001100110 |
3 | 11202220011102122 |
4 | 10011103221212 |
5 | 120014000240 |
6 | 10444105542 |
7 | 1461145442 |
oct | 405235146 |
9 | 152804378 |
10 | 68500070 |
11 | 35737131 |
12 | 1ab352b2 |
13 | 11264bb2 |
14 | 9151822 |
15 | 60314b5 |
hex | 4153a66 |
68500070 has 8 divisors (see below), whose sum is σ = 123300144. Its totient is φ = 27400024.
The previous prime is 68500067. The next prime is 68500079. The reversal of 68500070 is 7000586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68500079) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3424994 + ... + 3425013.
It is an arithmetic number, because the mean of its divisors is an integer number (15412518).
Almost surely, 268500070 is an apocalyptic number.
68500070 is a deficient number, since it is larger than the sum of its proper divisors (54800074).
68500070 is a wasteful number, since it uses less digits than its factorization.
68500070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6850014.
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 68500070 is about 8276.4769074770. The cubic root of 68500070 is about 409.1636132211.
The spelling of 68500070 in words is "sixty-eight million, five hundred thousand, seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •