Base | Representation |
---|---|
bin | 11101001111110100… |
… | …110101111010010001 |
3 | 10000001121012200110022 |
4 | 131033310311322101 |
5 | 1003303412222231 |
6 | 22232105113225 |
7 | 2161135536440 |
oct | 351764657221 |
9 | 100047180408 |
10 | 31404023441 |
11 | 1235583068a |
12 | 6105188815 |
13 | 2c66221cbb |
14 | 173cac6d57 |
15 | c3c015c7b |
hex | 74fd35e91 |
31404023441 has 8 divisors (see below), whose sum is σ = 37779276480. Its totient is φ = 25501011408.
The previous prime is 31404023423. The next prime is 31404023447. The reversal of 31404023441 is 14432040413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31404023441 - 26 = 31404023377 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31404023441.
It is not an unprimeable number, because it can be changed into a prime (31404023447) 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, 118060106 + ... + 118060371.
It is an arithmetic number, because the mean of its divisors is an integer number (4722409560).
Almost surely, 231404023441 is an apocalyptic number.
It is an amenable number.
31404023441 is a deficient number, since it is larger than the sum of its proper divisors (6375253039).
31404023441 is a wasteful number, since it uses less digits than its factorization.
31404023441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236120503.
The product of its (nonzero) digits is 4608, while the sum is 26.
Adding to 31404023441 its reverse (14432040413), we get a palindrome (45836063854).
The spelling of 31404023441 in words is "thirty-one billion, four hundred four million, twenty-three thousand, four hundred forty-one".
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