Base | Representation |
---|---|
bin | 11100010101011000… |
… | …011111111111100111 |
3 | 2220112021012200212222 |
4 | 130111120133333213 |
5 | 444301404440421 |
6 | 21550521302555 |
7 | 2124631416533 |
oct | 342530377747 |
9 | 86467180788 |
10 | 30423515111 |
11 | 119a2310220 |
12 | 5a90934a5b |
13 | 2b3b04aa62 |
14 | 16887b0bc3 |
15 | bd0dd4cab |
hex | 71561ffe7 |
30423515111 has 32 divisors (see below), whose sum is σ = 34218692352. Its totient is φ = 26813928960.
The previous prime is 30423515081. The next prime is 30423515131. The reversal of 30423515111 is 11151532403.
It is a cyclic number.
It is not a de Polignac number, because 30423515111 - 26 = 30423515047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30423515131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34454276 + ... + 34455158.
It is an arithmetic number, because the mean of its divisors is an integer number (1069334136).
Almost surely, 230423515111 is an apocalyptic number.
30423515111 is a deficient number, since it is larger than the sum of its proper divisors (3795177241).
30423515111 is a wasteful number, since it uses less digits than its factorization.
30423515111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1583.
The product of its (nonzero) digits is 1800, while the sum is 26.
It can be divided in two parts, 3042 and 3515111, that added together give a palindrome (3518153).
The spelling of 30423515111 in words is "thirty billion, four hundred twenty-three million, five hundred fifteen thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •