Base | Representation |
---|---|
bin | 11100001000001011… |
… | …111100111101111111 |
3 | 2212221211121202210020 |
4 | 130020023330331333 |
5 | 443323220401421 |
6 | 21512532143223 |
7 | 2116302542100 |
oct | 341013747577 |
9 | 85854552706 |
10 | 30202122111 |
11 | 118993463a7 |
12 | 5a2a767b13 |
13 | 2b04213295 |
14 | 16672203a7 |
15 | bbb751dc6 |
hex | 7082fcf7f |
30202122111 has 24 divisors (see below), whose sum is σ = 46906161840. Its totient is φ = 17235493632.
The previous prime is 30202122109. The next prime is 30202122149. The reversal of 30202122111 is 11122120203.
It is not a de Polignac number, because 30202122111 - 21 = 30202122109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30202122211) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24426 + ... + 246983.
It is an arithmetic number, because the mean of its divisors is an integer number (1954423410).
Almost surely, 230202122111 is an apocalyptic number.
30202122111 is a deficient number, since it is larger than the sum of its proper divisors (16704039729).
30202122111 is a wasteful number, since it uses less digits than its factorization.
30202122111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 272183 (or 272176 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 30202122111 its reverse (11122120203), we get a palindrome (41324242314).
The spelling of 30202122111 in words is "thirty billion, two hundred two million, one hundred twenty-two thousand, one hundred eleven".
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