Base | Representation |
---|---|
bin | 1101101001011101101110… |
… | …10001111100010010010101 |
3 | 10221021010020200022200022012 |
4 | 12310232313101330102111 |
5 | 12413204044411243221 |
6 | 143455154441514005 |
7 | 6215203423022522 |
oct | 664566721742225 |
9 | 127233220280265 |
10 | 30012011431061 |
11 | 962102804aa90 |
12 | 3448641aa2905 |
13 | 1399174a76aca |
14 | 75a836702149 |
15 | 370a3455665b |
hex | 1b4bb747c495 |
30012011431061 has 4 divisors (see below), whose sum is σ = 32740376106624. Its totient is φ = 27283646755500.
The previous prime is 30012011431049. The next prime is 30012011431079. The reversal of 30012011431061 is 16013411021003.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30012011431061 is a prime.
It is a super-2 number, since 2×300120114310612 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30012011431081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364182337765 + ... + 1364182337786.
It is an arithmetic number, because the mean of its divisors is an integer number (8185094026656).
Almost surely, 230012011431061 is an apocalyptic number.
It is an amenable number.
30012011431061 is a deficient number, since it is larger than the sum of its proper divisors (2728364675563).
30012011431061 is a wasteful number, since it uses less digits than its factorization.
30012011431061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2728364675562.
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 30012011431061 its reverse (16013411021003), we get a palindrome (46025422452064).
The spelling of 30012011431061 in words is "thirty trillion, twelve billion, eleven million, four hundred thirty-one thousand, sixty-one".
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