Base | Representation |
---|---|
bin | 11100000101010010… |
… | …100000110010001111 |
3 | 2212211110011000112211 |
4 | 130011102200302033 |
5 | 443223244310111 |
6 | 21504034211251 |
7 | 2115142414651 |
oct | 340522406217 |
9 | 85743130484 |
10 | 30153510031 |
11 | 11873963427 |
12 | 5a16423b27 |
13 | 2ac7122838 |
14 | 16609a86d1 |
15 | bb734d521 |
hex | 7054a0c8f |
30153510031 has 4 divisors (see below), whose sum is σ = 30155964552. Its totient is φ = 30151055512.
The previous prime is 30153509999. The next prime is 30153510041. The reversal of 30153510031 is 13001535103.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30153510031 - 25 = 30153509999 is a prime.
It is a super-2 number, since 2×301535100312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30153509984 and 30153510011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30153510041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208740 + ... + 1233433.
It is an arithmetic number, because the mean of its divisors is an integer number (7538991138).
Almost surely, 230153510031 is an apocalyptic number.
30153510031 is a deficient number, since it is larger than the sum of its proper divisors (2454521).
30153510031 is a wasteful number, since it uses less digits than its factorization.
30153510031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2454520.
The product of its (nonzero) digits is 675, while the sum is 22.
The spelling of 30153510031 in words is "thirty billion, one hundred fifty-three million, five hundred ten thousand, thirty-one".
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