Base | Representation |
---|---|
bin | 11100100101001110… |
… | …100111001001111110 |
3 | 2221012210102221102000 |
4 | 130211032213021332 |
5 | 1000322433432322 |
6 | 22033135243130 |
7 | 2134340146200 |
oct | 344516471176 |
9 | 87183387360 |
10 | 30689358462 |
11 | 12019385274 |
12 | 5b459794a6 |
13 | 2b81149909 |
14 | 16b1c12770 |
15 | be93e83ac |
hex | 7253a727e |
30689358462 has 96 divisors (see below), whose sum is σ = 80678073600. Its totient is φ = 8619727536.
The previous prime is 30689358439. The next prime is 30689358493. The reversal of 30689358462 is 26485398603.
30689358462 is a `hidden beast` number, since 30 + 68 + 93 + 5 + 8 + 462 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 30689358399 and 30689358408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57823 + ... + 254405.
It is an arithmetic number, because the mean of its divisors is an integer number (840396600).
Almost surely, 230689358462 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30689358462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40339036800).
30689358462 is an abundant number, since it is smaller than the sum of its proper divisors (49988715138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30689358462 is a wasteful number, since it uses less digits than its factorization.
30689358462 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196667 (or 196654 counting only the distinct ones).
The product of its (nonzero) digits is 7464960, while the sum is 54.
The spelling of 30689358462 in words is "thirty billion, six hundred eighty-nine million, three hundred fifty-eight thousand, four hundred sixty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.118 sec. • engine limits •