Base | Representation |
---|---|
bin | 11100110111111000… |
… | …000110100111110101 |
3 | 2222000121011012210210 |
4 | 130313320012213311 |
5 | 1001443032201031 |
6 | 22124153140033 |
7 | 2145156365016 |
oct | 346770064765 |
9 | 88017135723 |
10 | 31002225141 |
11 | 12169a47678 |
12 | 60126ba619 |
13 | 2c00c01024 |
14 | 17015b500d |
15 | c16ae9746 |
hex | 737e069f5 |
31002225141 has 8 divisors (see below), whose sum is σ = 41381283520. Its totient is φ = 20645658432.
The previous prime is 31002225127. The next prime is 31002225157. The reversal of 31002225141 is 14152220013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31002225141 - 25 = 31002225109 is a prime.
It is a super-2 number, since 2×310022251412 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31002225041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5619700 + ... + 5625213.
It is an arithmetic number, because the mean of its divisors is an integer number (5172660440).
Almost surely, 231002225141 is an apocalyptic number.
It is an amenable number.
31002225141 is a deficient number, since it is larger than the sum of its proper divisors (10379058379).
31002225141 is a wasteful number, since it uses less digits than its factorization.
31002225141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11245835.
The product of its (nonzero) digits is 480, while the sum is 21.
Adding to 31002225141 its reverse (14152220013), we get a palindrome (45154445154).
The spelling of 31002225141 in words is "thirty-one billion, two million, two hundred twenty-five thousand, one hundred forty-one".
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