Base | Representation |
---|---|
bin | 11100000100101001… |
… | …111111011000100110 |
3 | 2212210201011100010100 |
4 | 130010221333120212 |
5 | 443213034344322 |
6 | 21503014404530 |
7 | 2114653213242 |
oct | 340451773046 |
9 | 85721140110 |
10 | 30142887462 |
11 | 11868968546 |
12 | 5a12960746 |
13 | 2ac4b737ac |
14 | 165d401422 |
15 | bb6450dac |
hex | 704a7f626 |
30142887462 has 24 divisors (see below), whose sum is σ = 65406085056. Its totient is φ = 10032783696.
The previous prime is 30142887451. The next prime is 30142887473. The reversal of 30142887462 is 26478824103.
It is a happy number.
30142887462 is a `hidden beast` number, since 301 + 4 + 288 + 7 + 4 + 62 = 666.
It is an interprime number because it is at equal distance from previous prime (30142887451) and next prime (30142887473).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1224598 + ... + 1248969.
It is an arithmetic number, because the mean of its divisors is an integer number (2725253544).
Almost surely, 230142887462 is an apocalyptic number.
30142887462 is an abundant number, since it is smaller than the sum of its proper divisors (35263197594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30142887462 is a wasteful number, since it uses less digits than its factorization.
30142887462 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2474252 (or 2474249 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 45.
The spelling of 30142887462 in words is "thirty billion, one hundred forty-two million, eight hundred eighty-seven thousand, four hundred sixty-two".
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