Base | Representation |
---|---|
bin | 11100011100011100… |
… | …100010101111000001 |
3 | 2220211112012010202111 |
4 | 130130130202233001 |
5 | 1000022223443200 |
6 | 22010353215321 |
7 | 2130600563515 |
oct | 343434425701 |
9 | 86745163674 |
10 | 30542015425 |
11 | 11a53198269 |
12 | 5b04561541 |
13 | 2b5976b19c |
14 | 169a41a145 |
15 | bdb4e10ba |
hex | 71c722bc1 |
30542015425 has 6 divisors (see below), whose sum is σ = 37872099158. Its totient is φ = 24433612320.
The previous prime is 30542015423. The next prime is 30542015437. The reversal of 30542015425 is 52451024503.
It can be written as a sum of positive squares in 3 ways, for example, as 1975269136 + 28566746289 = 44444^2 + 169017^2 .
It is not a de Polignac number, because 30542015425 - 21 = 30542015423 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30542015423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610840284 + ... + 610840333.
Almost surely, 230542015425 is an apocalyptic number.
It is an amenable number.
30542015425 is a deficient number, since it is larger than the sum of its proper divisors (7330083733).
30542015425 is a wasteful number, since it uses less digits than its factorization.
30542015425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1221680627 (or 1221680622 counting only the distinct ones).
The product of its (nonzero) digits is 24000, while the sum is 31.
Adding to 30542015425 its reverse (52451024503), we get a palindrome (82993039928).
The spelling of 30542015425 in words is "thirty billion, five hundred forty-two million, fifteen thousand, four hundred twenty-five".
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