Base | Representation |
---|---|
bin | 1101111110001111101101… |
… | …01010100011110011100011 |
3 | 11000210101021111221202101212 |
4 | 12333013312222203303203 |
5 | 13011403412042421011 |
6 | 145203203031420335 |
7 | 6320611620546416 |
oct | 677076652436343 |
9 | 130711244852355 |
10 | 30726039420131 |
11 | 9876927254480 |
12 | 3542ab45246ab |
13 | 141b5b75724a3 |
14 | 783210ac7b7d |
15 | 3843c4e2008b |
hex | 1bf1f6aa3ce3 |
30726039420131 has 16 divisors (see below), whose sum is σ = 35369673684480. Its totient is φ = 26418089565120.
The previous prime is 30726039420107. The next prime is 30726039420161. The reversal of 30726039420131 is 13102493062703.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-30726039420131 is a prime.
It is a super-2 number, since 2×307260394201312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30726039420161) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682262855 + ... + 682307888.
It is an arithmetic number, because the mean of its divisors is an integer number (2210604605280).
Almost surely, 230726039420131 is an apocalyptic number.
30726039420131 is a deficient number, since it is larger than the sum of its proper divisors (4643634264349).
30726039420131 is a wasteful number, since it uses less digits than its factorization.
30726039420131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1364570866.
The product of its (nonzero) digits is 163296, while the sum is 41.
The spelling of 30726039420131 in words is "thirty trillion, seven hundred twenty-six billion, thirty-nine million, four hundred twenty thousand, one hundred thirty-one".
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