Base | Representation |
---|---|
bin | 11101000101101001… |
… | …010101000010010100 |
3 | 2222121200211122002001 |
4 | 131011221111002110 |
5 | 1002431201424134 |
6 | 22203124325044 |
7 | 2153663046316 |
oct | 350551250224 |
9 | 88550748061 |
10 | 31233233044 |
11 | 122783892a2 |
12 | 6077b43784 |
13 | 2c39a23cb0 |
14 | 17241497b6 |
15 | c2c02b414 |
hex | 745a55094 |
31233233044 has 48 divisors (see below), whose sum is σ = 60966274320. Its totient is φ = 13901368320.
The previous prime is 31233233041. The next prime is 31233233047. The reversal of 31233233044 is 44033233213.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (31233233041) and next prime (31233233047).
It can be written as a sum of positive squares in 8 ways, for example, as 838797444 + 30394435600 = 28962^2 + 174340^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31233233041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274184 + ... + 1298464.
It is an arithmetic number, because the mean of its divisors is an integer number (1270130715).
Almost surely, 231233233044 is an apocalyptic number.
It is an amenable number.
31233233044 is a deficient number, since it is larger than the sum of its proper divisors (29733041276).
31233233044 is a wasteful number, since it uses less digits than its factorization.
31233233044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25180 (or 25178 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 28.
Adding to 31233233044 its reverse (44033233213), we get a palindrome (75266466257).
The spelling of 31233233044 in words is "thirty-one billion, two hundred thirty-three million, two hundred thirty-three thousand, forty-four".
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