Base | Representation |
---|---|
bin | 11100001000001100… |
… | …101111110000001001 |
3 | 2212221212000100010022 |
4 | 130020030233300021 |
5 | 443323244030441 |
6 | 21512540430225 |
7 | 2116304366405 |
oct | 341014576011 |
9 | 85855010108 |
10 | 30202330121 |
11 | 11899478707 |
12 | 5a2a848375 |
13 | 2b04286b72 |
14 | 1667276105 |
15 | bbb79384b |
hex | 70832fc09 |
30202330121 has 4 divisors (see below), whose sum is σ = 30440143872. Its totient is φ = 29964516372.
The previous prime is 30202330087. The next prime is 30202330201. The reversal of 30202330121 is 12103320203.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30202330121 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30202330121.
It is not an unprimeable number, because it can be changed into a prime (30202333121) 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, 118906685 + ... + 118906938.
It is an arithmetic number, because the mean of its divisors is an integer number (7610035968).
Almost surely, 230202330121 is an apocalyptic number.
It is an amenable number.
30202330121 is a deficient number, since it is larger than the sum of its proper divisors (237813751).
30202330121 is a wasteful number, since it uses less digits than its factorization.
30202330121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 237813750.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30202330121 its reverse (12103320203), we get a palindrome (42305650324).
The spelling of 30202330121 in words is "thirty billion, two hundred two million, three hundred thirty thousand, one hundred twenty-one".
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