Base | Representation |
---|---|
bin | 11101010001100000… |
… | …010101001101010101 |
3 | 10000010120020020212021 |
4 | 131101200111031111 |
5 | 1003333120413140 |
6 | 22234553053141 |
7 | 2161630205050 |
oct | 352140251525 |
9 | 100116206767 |
10 | 31432201045 |
11 | 1236a726963 |
12 | 61126b71b1 |
13 | 2c6c00963b |
14 | 174273da97 |
15 | c3e72eb4a |
hex | 751815355 |
31432201045 has 16 divisors (see below), whose sum is σ = 44024191488. Its totient is φ = 21094922880.
The previous prime is 31432201037. The next prime is 31432201057. The reversal of 31432201045 is 54010223413.
It is not a de Polignac number, because 31432201045 - 23 = 31432201037 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9552216 + ... + 9555505.
It is an arithmetic number, because the mean of its divisors is an integer number (2751511968).
Almost surely, 231432201045 is an apocalyptic number.
31432201045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
31432201045 is a deficient number, since it is larger than the sum of its proper divisors (12591990443).
31432201045 is a wasteful number, since it uses less digits than its factorization.
31432201045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19107780.
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 31432201045 its reverse (54010223413), we get a palindrome (85442424458).
The spelling of 31432201045 in words is "thirty-one billion, four hundred thirty-two million, two hundred one thousand, forty-five".
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