Base | Representation |
---|---|
bin | 1101111000010000100110… |
… | …10111000000000011100101 |
3 | 11000001201101112100200002110 |
4 | 12330020103113000003211 |
5 | 13000021200233331041 |
6 | 144524505543231233 |
7 | 6300011014002252 |
oct | 674102327000345 |
9 | 130051345320073 |
10 | 30520362402021 |
11 | 97a7681a03578 |
12 | 350b073748519 |
13 | 140509a070acb |
14 | 77729ca70429 |
15 | 37dd883b1516 |
hex | 1bc2135c00e5 |
30520362402021 has 32 divisors (see below), whose sum is σ = 43276757666688. Its totient is φ = 19065964308480.
The previous prime is 30520362402007. The next prime is 30520362402071. The reversal of 30520362402021 is 12020426302503.
It is not a de Polignac number, because 30520362402021 - 218 = 30520362139877 is a prime.
It is a super-3 number, since 3×305203624020213 (a number of 41 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30520362402021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30520362402071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125802966 + ... + 126045336.
It is an arithmetic number, because the mean of its divisors is an integer number (1352398677084).
Almost surely, 230520362402021 is an apocalyptic number.
It is an amenable number.
30520362402021 is a deficient number, since it is larger than the sum of its proper divisors (12756395264667).
30520362402021 is a wasteful number, since it uses less digits than its factorization.
30520362402021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253221.
The product of its (nonzero) digits is 17280, while the sum is 30.
Adding to 30520362402021 its reverse (12020426302503), we get a palindrome (42540788704524).
The spelling of 30520362402021 in words is "thirty trillion, five hundred twenty billion, three hundred sixty-two million, four hundred two thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •