Base | Representation |
---|---|
bin | 11100110101101100… |
… | …110001001110000001 |
3 | 2221221001102111222200 |
4 | 130311230301032001 |
5 | 1001404204340312 |
6 | 22120410223413 |
7 | 2144234050110 |
oct | 346554611601 |
9 | 87831374880 |
10 | 30965699457 |
11 | 1215036a360 |
12 | 6002424b69 |
13 | 2bc64829b4 |
14 | 16da7c7c77 |
15 | c137d20dc |
hex | 735b31381 |
30965699457 has 48 divisors (see below), whose sum is σ = 58189667328. Its totient is φ = 15386675040.
The previous prime is 30965699449. The next prime is 30965699459. The reversal of 30965699457 is 75499656903.
30965699457 is a `hidden beast` number, since 3 + 0 + 96 + 5 + 6 + 99 + 457 = 666.
It is not a de Polignac number, because 30965699457 - 23 = 30965699449 is a prime.
It is a super-3 number, since 3×309656994573 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a junction number, because it is equal to n+sod(n) for n = 30965699394 and 30965699403.
It is not an unprimeable number, because it can be changed into a prime (30965699459) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 955443 + ... + 987320.
It is an arithmetic number, because the mean of its divisors is an integer number (1212284736).
Almost surely, 230965699457 is an apocalyptic number.
It is an amenable number.
30965699457 is a deficient number, since it is larger than the sum of its proper divisors (27223967871).
30965699457 is a wasteful number, since it uses less digits than its factorization.
30965699457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1942810 (or 1942807 counting only the distinct ones).
The product of its (nonzero) digits is 55112400, while the sum is 63.
The spelling of 30965699457 in words is "thirty billion, nine hundred sixty-five million, six hundred ninety-nine thousand, four hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •