Base | Representation |
---|---|
bin | 11101010000111001… |
… | …100101011101100010 |
3 | 10000002212010020000111 |
4 | 131100321211131202 |
5 | 1003323020402002 |
6 | 22233551241534 |
7 | 2161444652506 |
oct | 352071453542 |
9 | 100085106014 |
10 | 31422044002 |
11 | 12364a19808 |
12 | 610b2192aa |
13 | 2c69b9145b |
14 | 1741258306 |
15 | c3d8c53d7 |
hex | 750e65762 |
31422044002 has 8 divisors (see below), whose sum is σ = 47134024236. Its totient is φ = 15710702592.
The previous prime is 31422043979. The next prime is 31422044009. The reversal of 31422044002 is 20044022413.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 29035819201 + 2386224801 = 170399^2 + 48849^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (31422044009) 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, 7863 + ... + 250810.
Almost surely, 231422044002 is an apocalyptic number.
31422044002 is a deficient number, since it is larger than the sum of its proper divisors (15711980234).
31422044002 is a wasteful number, since it uses less digits than its factorization.
31422044002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 319412.
The product of its (nonzero) digits is 1536, while the sum is 22.
Adding to 31422044002 its reverse (20044022413), we get a palindrome (51466066415).
The spelling of 31422044002 in words is "thirty-one billion, four hundred twenty-two million, forty-four thousand, two".
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