Base | Representation |
---|---|
bin | 11100001100100000… |
… | …111101011011111111 |
3 | 2220010220021000221121 |
4 | 130030200331123333 |
5 | 444000313103134 |
6 | 21524044411411 |
7 | 2121144012016 |
oct | 341440753377 |
9 | 86126230847 |
10 | 30274737919 |
11 | 11926333768 |
12 | 5a4ab46b67 |
13 | 2b1628960a |
14 | 1672b23a7d |
15 | bc2ce7ab4 |
hex | 70c83d6ff |
30274737919 has 16 divisors (see below), whose sum is σ = 33144735744. Its totient is φ = 27564847200.
The previous prime is 30274737907. The next prime is 30274737931. The reversal of 30274737919 is 91973747203.
It is an interprime number because it is at equal distance from previous prime (30274737907) and next prime (30274737931).
It is a cyclic number.
It is not a de Polignac number, because 30274737919 - 25 = 30274737887 is a prime.
It is a super-2 number, since 2×302747379192 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30274737979) 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, 304549 + ... + 391534.
It is an arithmetic number, because the mean of its divisors is an integer number (2071545984).
Almost surely, 230274737919 is an apocalyptic number.
30274737919 is a deficient number, since it is larger than the sum of its proper divisors (2869997825).
30274737919 is a wasteful number, since it uses less digits than its factorization.
30274737919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 696198.
The product of its (nonzero) digits is 2000376, while the sum is 52.
The spelling of 30274737919 in words is "thirty billion, two hundred seventy-four million, seven hundred thirty-seven thousand, nine hundred nineteen".
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