Base | Representation |
---|---|
bin | 11101000110000100… |
… | …101111110000111110 |
3 | 2222122012100210021221 |
4 | 131012010233300332 |
5 | 1002440021423124 |
6 | 22203542343554 |
7 | 2154111122620 |
oct | 350604576076 |
9 | 88565323257 |
10 | 31240420414 |
11 | 12281448275 |
12 | 607a42abba |
13 | 2c3b36c588 |
14 | 172509ac10 |
15 | c2c99ace4 |
hex | 74612fc3e |
31240420414 has 32 divisors (see below), whose sum is σ = 54073555200. Its totient is φ = 13259592000.
The previous prime is 31240420403. The next prime is 31240420439. The reversal of 31240420414 is 41402404213.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776289 + ... + 815539.
It is an arithmetic number, because the mean of its divisors is an integer number (1689798600).
Almost surely, 231240420414 is an apocalyptic number.
31240420414 is a deficient number, since it is larger than the sum of its proper divisors (22833134786).
31240420414 is a wasteful number, since it uses less digits than its factorization.
31240420414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39808.
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 31240420414 its reverse (41402404213), we get a palindrome (72642824627).
The spelling of 31240420414 in words is "thirty-one billion, two hundred forty million, four hundred twenty thousand, four hundred fourteen".
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