Base | Representation |
---|---|
bin | 11100110111111011… |
… | …001001001100110100 |
3 | 2222000122122201001222 |
4 | 130313323021030310 |
5 | 1001443233202012 |
6 | 22124222205512 |
7 | 2145166224425 |
oct | 346773111464 |
9 | 88018581058 |
10 | 31003022132 |
11 | 1216a441445 |
12 | 6012a23898 |
13 | 2c0111ca14 |
14 | 170174164c |
15 | c16c05972 |
hex | 737ec9334 |
31003022132 has 24 divisors (see below), whose sum is σ = 56620636800. Its totient is φ = 14825850336.
The previous prime is 31003022131. The next prime is 31003022137. The reversal of 31003022132 is 23122030013.
It is a super-2 number, since 2×310030221322 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 31003022132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31003022131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256369 + ... + 1280807.
It is an arithmetic number, because the mean of its divisors is an integer number (2359193200).
Almost surely, 231003022132 is an apocalyptic number.
It is an amenable number.
31003022132 is a deficient number, since it is larger than the sum of its proper divisors (25617614668).
31003022132 is a wasteful number, since it uses less digits than its factorization.
31003022132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38255 (or 38253 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 31003022132 its reverse (23122030013), we get a palindrome (54125052145).
The spelling of 31003022132 in words is "thirty-one billion, three million, twenty-two thousand, one hundred thirty-two".
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