Base | Representation |
---|---|
bin | 11101010111111101… |
… | …010001100001010110 |
3 | 10000102002220221110012 |
4 | 131113331101201112 |
5 | 1004043323421124 |
6 | 22253421200222 |
7 | 2164413261563 |
oct | 352775214126 |
9 | 100362827405 |
10 | 31540451414 |
11 | 12415842a7a |
12 | 6142a00072 |
13 | 2c8857b504 |
14 | 1752c7b86a |
15 | c48eb3e0e |
hex | 757f51856 |
31540451414 has 8 divisors (see below), whose sum is σ = 47312797680. Its totient is φ = 15769518856.
The previous prime is 31540451413. The next prime is 31540451429. The reversal of 31540451414 is 41415404513.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31540451413) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295769 + ... + 388020.
It is an arithmetic number, because the mean of its divisors is an integer number (5914099710).
Almost surely, 231540451414 is an apocalyptic number.
31540451414 is a deficient number, since it is larger than the sum of its proper divisors (15772346266).
31540451414 is a wasteful number, since it uses less digits than its factorization.
31540451414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 706854.
The product of its (nonzero) digits is 19200, while the sum is 32.
Adding to 31540451414 its reverse (41415404513), we get a palindrome (72955855927).
The spelling of 31540451414 in words is "thirty-one billion, five hundred forty million, four hundred fifty-one thousand, four hundred fourteen".
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