Base | Representation |
---|---|
bin | 11100001000001011… |
… | …111111001010100111 |
3 | 2212221211122020010120 |
4 | 130020023333022213 |
5 | 443323221143421 |
6 | 21512532253023 |
7 | 2116302610245 |
oct | 341013771247 |
9 | 85854566116 |
10 | 30202131111 |
11 | 11899352139 |
12 | 5a2a771173 |
13 | 2b042173c9 |
14 | 1667223795 |
15 | bbb7548c6 |
hex | 7082ff2a7 |
30202131111 has 8 divisors (see below), whose sum is σ = 40288811904. Its totient is φ = 20125102200.
The previous prime is 30202131073. The next prime is 30202131119. The reversal of 30202131111 is 11113120203.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30202131111 - 27 = 30202130983 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30202131119) 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 7 ways as a sum of consecutive naturals, for example, 2405665 + ... + 2418186.
It is an arithmetic number, because the mean of its divisors is an integer number (5036101488).
Almost surely, 230202131111 is an apocalyptic number.
30202131111 is a deficient number, since it is larger than the sum of its proper divisors (10086680793).
30202131111 is a wasteful number, since it uses less digits than its factorization.
30202131111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4825941.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 30202131111 its reverse (11113120203), we get a palindrome (41315251314).
The spelling of 30202131111 in words is "thirty billion, two hundred two million, one hundred thirty-one thousand, one hundred eleven".
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