Base | Representation |
---|---|
bin | 11100101011001101… |
… | …010011111001110000 |
3 | 2221110210012211201101 |
4 | 130223031103321300 |
5 | 1001024124241002 |
6 | 22051121414144 |
7 | 2136665653045 |
oct | 345315237160 |
9 | 87423184641 |
10 | 30789680752 |
11 | 1206aa76956 |
12 | 5b7349a354 |
13 | 2b98b7400c |
14 | 16c12891cc |
15 | c03113587 |
hex | 72b353e70 |
30789680752 has 10 divisors (see below), whose sum is σ = 59655006488. Its totient is φ = 15394840368.
The previous prime is 30789680749. The next prime is 30789680809. The reversal of 30789680752 is 25708698703.
It is a junction number, because it is equal to n+sod(n) for n = 30789680693 and 30789680702.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 962177508 + ... + 962177539.
Almost surely, 230789680752 is an apocalyptic number.
It is an amenable number.
30789680752 is a deficient number, since it is larger than the sum of its proper divisors (28865325736).
30789680752 is a wasteful number, since it uses less digits than its factorization.
30789680752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1924355055 (or 1924355049 counting only the distinct ones).
The product of its (nonzero) digits is 5080320, while the sum is 55.
The spelling of 30789680752 in words is "thirty billion, seven hundred eighty-nine million, six hundred eighty thousand, seven hundred fifty-two".
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