Base | Representation |
---|---|
bin | 11100011100001101… |
… | …000011000011010011 |
3 | 2220211020112202211111 |
4 | 130130031003003103 |
5 | 1000020204002431 |
6 | 22010130154151 |
7 | 2130521215243 |
oct | 343415030323 |
9 | 86736482744 |
10 | 30537953491 |
11 | 11a509734a1 |
12 | 5b03122957 |
13 | 2b58978386 |
14 | 1699a7db23 |
15 | bdae8c7b1 |
hex | 71c3430d3 |
30537953491 has 8 divisors (see below), whose sum is σ = 32035932000. Its totient is φ = 29069638080.
The previous prime is 30537953449. The next prime is 30537953503. The reversal of 30537953491 is 19435973503.
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 30537953491 - 215 = 30537920723 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30537953431) 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, 7413666 + ... + 7417783.
It is an arithmetic number, because the mean of its divisors is an integer number (4004491500).
Almost surely, 230537953491 is an apocalyptic number.
30537953491 is a deficient number, since it is larger than the sum of its proper divisors (1497978509).
30537953491 is a wasteful number, since it uses less digits than its factorization.
30537953491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14831549.
The product of its (nonzero) digits is 1530900, while the sum is 49.
The spelling of 30537953491 in words is "thirty billion, five hundred thirty-seven million, nine hundred fifty-three thousand, four hundred ninety-one".
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