Base | Representation |
---|---|
bin | 11100011111111111… |
… | …010110100000101010 |
3 | 2220222200001211220102 |
4 | 130133333112200222 |
5 | 1000132434101132 |
6 | 22020315425402 |
7 | 2132222135441 |
oct | 343777264052 |
9 | 86880054812 |
10 | 30601472042 |
11 | 11a83807969 |
12 | 5b20455262 |
13 | 2b68b87a0b |
14 | 16a4295d58 |
15 | be1837c62 |
hex | 71ffd682a |
30601472042 has 4 divisors (see below), whose sum is σ = 45902208066. Its totient is φ = 15300736020.
The previous prime is 30601472039. The next prime is 30601472051. The reversal of 30601472042 is 24027410603.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 25313128201 + 5288343841 = 159101^2 + 72721^2 .
It is a super-2 number, since 2×306014720422 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30601471996 and 30601472014.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7650368009 + ... + 7650368012.
Almost surely, 230601472042 is an apocalyptic number.
30601472042 is a deficient number, since it is larger than the sum of its proper divisors (15300736024).
30601472042 is a wasteful number, since it uses less digits than its factorization.
30601472042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15300736023.
The product of its (nonzero) digits is 8064, while the sum is 29.
Adding to 30601472042 its reverse (24027410603), we get a palindrome (54628882645).
The spelling of 30601472042 in words is "thirty billion, six hundred one million, four hundred seventy-two thousand, forty-two".
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