Base | Representation |
---|---|
bin | 111111010000000101… |
… | …100001111101101001 |
3 | 20111022011012222022210 |
4 | 333100011201331221 |
5 | 2103042344321301 |
6 | 51111111235333 |
7 | 4623004150422 |
oct | 772005417551 |
9 | 214264188283 |
10 | 67915620201 |
11 | 26891662740 |
12 | 111b4978b49 |
13 | 6534668520 |
14 | 3403c74649 |
15 | 1b77631ad6 |
hex | fd0161f69 |
67915620201 has 128 divisors (see below), whose sum is σ = 110461059072. Its totient is φ = 36578304000.
The previous prime is 67915620193. The next prime is 67915620221. The reversal of 67915620201 is 10202651976.
It is not a de Polignac number, because 67915620201 - 23 = 67915620193 is a prime.
It is a super-2 number, since 2×679156202012 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 67915620201.
It is not an unprimeable number, because it can be changed into a prime (67915620221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 375224331 + ... + 375224511.
It is an arithmetic number, because the mean of its divisors is an integer number (862977024).
Almost surely, 267915620201 is an apocalyptic number.
It is an amenable number.
67915620201 is a deficient number, since it is larger than the sum of its proper divisors (42545438871).
67915620201 is a wasteful number, since it uses less digits than its factorization.
67915620201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 503.
The product of its (nonzero) digits is 45360, while the sum is 39.
The spelling of 67915620201 in words is "sixty-seven billion, nine hundred fifteen million, six hundred twenty thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •