Base | Representation |
---|---|
bin | 11101010010100101… |
… | …000010100000111011 |
3 | 10000011211010022210220 |
4 | 131102211002200323 |
5 | 1003402223244121 |
6 | 22240435111123 |
7 | 2162236252242 |
oct | 352245024073 |
9 | 100154108726 |
10 | 31450212411 |
11 | 12379909092 |
12 | 61187424a3 |
13 | 2c72974857 |
14 | 1744cab959 |
15 | c410db6c6 |
hex | 75294283b |
31450212411 has 16 divisors (see below), whose sum is σ = 43369463808. Its totient is φ = 20251483200.
The previous prime is 31450212377. The next prime is 31450212481. The reversal of 31450212411 is 11421205413.
It is not a de Polignac number, because 31450212411 - 217 = 31450081339 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31450212481) 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, 276091 + ... + 372996.
It is an arithmetic number, because the mean of its divisors is an integer number (2710591488).
Almost surely, 231450212411 is an apocalyptic number.
31450212411 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
31450212411 is a deficient number, since it is larger than the sum of its proper divisors (11919251397).
31450212411 is a wasteful number, since it uses less digits than its factorization.
31450212411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 649642.
The product of its (nonzero) digits is 960, while the sum is 24.
Adding to 31450212411 its reverse (11421205413), we get a palindrome (42871417824).
The spelling of 31450212411 in words is "thirty-one billion, four hundred fifty million, two hundred twelve thousand, four hundred eleven".
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