Base | Representation |
---|---|
bin | 11101010010010101… |
… | …100111110101111101 |
3 | 10000011112112000001012 |
4 | 131102111213311331 |
5 | 1003400204433010 |
6 | 22240212325005 |
7 | 2162160020564 |
oct | 352225476575 |
9 | 100145460035 |
10 | 31446171005 |
11 | 123775a8787 |
12 | 6117313765 |
13 | 2c71b8b1a2 |
14 | 1744538bdb |
15 | c40a8e005 |
hex | 752567d7d |
31446171005 has 8 divisors (see below), whose sum is σ = 39955135032. Its totient is φ = 23677116928.
The previous prime is 31446170999. The next prime is 31446171011. The reversal of 31446171005 is 50017164413.
It is an interprime number because it is at equal distance from previous prime (31446170999) and next prime (31446171011).
It can be written as a sum of positive squares in 4 ways, for example, as 9308004484 + 22138166521 = 96478^2 + 148789^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31446171005 - 212 = 31446166909 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 7 ways as a sum of consecutive naturals, for example, 184977392 + ... + 184977561.
It is an arithmetic number, because the mean of its divisors is an integer number (4994391879).
Almost surely, 231446171005 is an apocalyptic number.
It is an amenable number.
31446171005 is a deficient number, since it is larger than the sum of its proper divisors (8508964027).
31446171005 is a wasteful number, since it uses less digits than its factorization.
31446171005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 369954975.
The product of its (nonzero) digits is 10080, while the sum is 32.
The spelling of 31446171005 in words is "thirty-one billion, four hundred forty-six million, one hundred seventy-one thousand, five".
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