Base | Representation |
---|---|
bin | 1000010111100… |
… | …01011110111011 |
3 | 11220002021121200 |
4 | 10023301132323 |
5 | 120432221011 |
6 | 10544305243 |
7 | 1511435346 |
oct | 413613673 |
9 | 156067550 |
10 | 70195131 |
11 | 36694706 |
12 | 1b612223 |
13 | 117095a6 |
14 | 947345d |
15 | 6268856 |
hex | 42f17bb |
70195131 has 6 divisors (see below), whose sum is σ = 101392980. Its totient is φ = 46796748.
The previous prime is 70195093. The next prime is 70195133. The reversal of 70195131 is 13159107.
It is a happy number.
It is not a de Polignac number, because 70195131 - 27 = 70195003 is a prime.
It is a super-2 number, since 2×701951312 = 9854712832214322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 70195095 and 70195104.
It is not an unprimeable number, because it can be changed into a prime (70195133) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3899721 + ... + 3899738.
It is an arithmetic number, because the mean of its divisors is an integer number (16898830).
Almost surely, 270195131 is an apocalyptic number.
70195131 is a deficient number, since it is larger than the sum of its proper divisors (31197849).
70195131 is a wasteful number, since it uses less digits than its factorization.
70195131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7799465 (or 7799462 counting only the distinct ones).
The product of its (nonzero) digits is 945, while the sum is 27.
The square root of 70195131 is about 8378.2534576127. The cubic root of 70195131 is about 412.5111225651.
The spelling of 70195131 in words is "seventy million, one hundred ninety-five thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •