Base | Representation |
---|---|
bin | 11101001010111100… |
… | …010101110101101110 |
3 | 2222211220001200221110 |
4 | 131022330111311232 |
5 | 1003121424300100 |
6 | 22220021212450 |
7 | 2156122324662 |
oct | 351274256556 |
9 | 88756050843 |
10 | 31322103150 |
11 | 12313568768 |
12 | 60a1861126 |
13 | 2c5226b860 |
14 | 1731c808a2 |
15 | c34c33250 |
hex | 74af15d6e |
31322103150 has 48 divisors (see below), whose sum is σ = 83654114544. Its totient is φ = 7710055680.
The previous prime is 31322103149. The next prime is 31322103157. The reversal of 31322103150 is 5130122313.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31322103157) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8029359 + ... + 8033258.
It is an arithmetic number, because the mean of its divisors is an integer number (1742794053).
Almost surely, 231322103150 is an apocalyptic number.
31322103150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31322103150 is an abundant number, since it is smaller than the sum of its proper divisors (52332011394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31322103150 is a wasteful number, since it uses less digits than its factorization.
31322103150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16062645 (or 16062640 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 21.
Adding to 31322103150 its reverse (5130122313), we get a palindrome (36452225463).
The spelling of 31322103150 in words is "thirty-one billion, three hundred twenty-two million, one hundred three thousand, one hundred fifty".
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