Base | Representation |
---|---|
bin | 11100100111010110… |
… | …101011110101111111 |
3 | 2221022021120012112012 |
4 | 130213112223311333 |
5 | 1000411101413442 |
6 | 22040452001435 |
7 | 2135252303513 |
oct | 344726536577 |
9 | 87267505465 |
10 | 30725029247 |
11 | 12037529260 |
12 | 5b5590027b |
13 | 2b88658aa3 |
14 | 16b685a143 |
15 | bec5e2582 |
hex | 7275abd7f |
30725029247 has 8 divisors (see below), whose sum is σ = 33530766672. Its totient is φ = 27921384000.
The previous prime is 30725029241. The next prime is 30725029267. The reversal of 30725029247 is 74292052703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30725029247 - 220 = 30723980671 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30725029241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492254 + ... + 551147.
It is an arithmetic number, because the mean of its divisors is an integer number (4191345834).
Almost surely, 230725029247 is an apocalyptic number.
30725029247 is a deficient number, since it is larger than the sum of its proper divisors (2805737425).
30725029247 is a wasteful number, since it uses less digits than its factorization.
30725029247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1046089.
The product of its (nonzero) digits is 211680, while the sum is 41.
The spelling of 30725029247 in words is "thirty billion, seven hundred twenty-five million, twenty-nine thousand, two hundred forty-seven".
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