Base | Representation |
---|---|
bin | 11100000010001110… |
… | …000110000011100011 |
3 | 2212200212021001221121 |
4 | 130002032012003203 |
5 | 443122104122243 |
6 | 21454554433111 |
7 | 2113645644124 |
oct | 340216060343 |
9 | 85625231847 |
10 | 30102020323 |
11 | 11847895451 |
12 | 5a01132797 |
13 | 2ab956535b |
14 | 1657c0404b |
15 | bb2a7c1ed |
hex | 7023860e3 |
30102020323 has 8 divisors (see below), whose sum is σ = 30631166960. Its totient is φ = 29574024480.
The previous prime is 30102020317. The next prime is 30102020327. The reversal of 30102020323 is 32302020103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30102020323 is a prime.
It is a super-2 number, since 2×301020203232 (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 = 30102020297 and 30102020306.
It is not an unprimeable number, because it can be changed into a prime (30102020327) 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, 234840 + ... + 339637.
It is an arithmetic number, because the mean of its divisors is an integer number (3828895870).
Almost surely, 230102020323 is an apocalyptic number.
30102020323 is a deficient number, since it is larger than the sum of its proper divisors (529146637).
30102020323 is an equidigital number, since it uses as much as digits as its factorization.
30102020323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 575397.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 30102020323 its reverse (32302020103), we get a palindrome (62404040426).
The spelling of 30102020323 in words is "thirty billion, one hundred two million, twenty thousand, three hundred twenty-three".
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