Base | Representation |
---|---|
bin | 1111100111100… |
… | …00111000010110 |
3 | 100010112000000211 |
4 | 13303300320112 |
5 | 232014310240 |
6 | 21000000034 |
7 | 3150365362 |
oct | 763607026 |
9 | 303460024 |
10 | 131010070 |
11 | 67a51894 |
12 | 37a6001a |
13 | 211b0469 |
14 | 135842a2 |
15 | b77cbea |
hex | 7cf0e16 |
131010070 has 16 divisors (see below), whose sum is σ = 246071520. Its totient is φ = 50125504.
The previous prime is 131010037. The next prime is 131010071. The reversal of 131010070 is 70010131.
It is a self number, because there is not a number n which added to its sum of digits gives 131010070.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131010071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284575 + ... + 285034.
It is an arithmetic number, because the mean of its divisors is an integer number (15379470).
Almost surely, 2131010070 is an apocalyptic number.
131010070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131010070 is a deficient number, since it is larger than the sum of its proper divisors (115061450).
131010070 is a wasteful number, since it uses less digits than its factorization.
131010070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 569639.
The product of its (nonzero) digits is 21, while the sum is 13.
The square root of 131010070 is about 11445.9630437985. The cubic root of 131010070 is about 507.8883209769. Note that the first 3 decimals are identical.
The spelling of 131010070 in words is "one hundred thirty-one million, ten thousand, seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •