Base | Representation |
---|---|
bin | 11100000101001010… |
… | …011110101011000111 |
3 | 2212211022012000221020 |
4 | 130011022132223013 |
5 | 443222224413411 |
6 | 21503521122223 |
7 | 2115115464414 |
oct | 340512365307 |
9 | 85738160836 |
10 | 30151404231 |
11 | 118727552a3 |
12 | 5a15789373 |
13 | 2ac68661c0 |
14 | 16605bb10b |
15 | bb7084606 |
hex | 70529eac7 |
30151404231 has 16 divisors (see below), whose sum is σ = 43309329504. Its totient is φ = 18548279424.
The previous prime is 30151404131. The next prime is 30151404287. The reversal of 30151404231 is 13240415103.
It is a happy number.
It is not a de Polignac number, because 30151404231 - 27 = 30151404103 is a prime.
It is a super-2 number, since 2×301514042312 (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 (30151404131) 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, 18756 + ... + 246281.
It is an arithmetic number, because the mean of its divisors is an integer number (2706833094).
Almost surely, 230151404231 is an apocalyptic number.
30151404231 is a deficient number, since it is larger than the sum of its proper divisors (13157925273).
30151404231 is a wasteful number, since it uses less digits than its factorization.
30151404231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267970.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 30151404231 its reverse (13240415103), we get a palindrome (43391819334).
The spelling of 30151404231 in words is "thirty billion, one hundred fifty-one million, four hundred four thousand, two hundred thirty-one".
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