Base | Representation |
---|---|
bin | 11101000111011100… |
… | …111101011010101001 |
3 | 2222200210212122021010 |
4 | 131013130331122221 |
5 | 1003011431420001 |
6 | 22210130134133 |
7 | 2154511514343 |
oct | 350734753251 |
9 | 88623778233 |
10 | 31263545001 |
11 | 122935020a7 |
12 | 6086121349 |
13 | 2c430a7c70 |
14 | 172819a293 |
15 | c2ea178d6 |
hex | 74773d6a9 |
31263545001 has 8 divisors (see below), whose sum is σ = 44891244160. Its totient is φ = 19239104592.
The previous prime is 31263544999. The next prime is 31263545021. The reversal of 31263545001 is 10054536213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31263545001 - 21 = 31263544999 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31263545001.
It is not an unprimeable number, because it can be changed into a prime (31263545021) 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, 400814641 + ... + 400814718.
It is an arithmetic number, because the mean of its divisors is an integer number (5611405520).
Almost surely, 231263545001 is an apocalyptic number.
It is an amenable number.
31263545001 is a deficient number, since it is larger than the sum of its proper divisors (13627699159).
31263545001 is a wasteful number, since it uses less digits than its factorization.
31263545001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 801629375.
The product of its (nonzero) digits is 10800, while the sum is 30.
The spelling of 31263545001 in words is "thirty-one billion, two hundred sixty-three million, five hundred forty-five thousand, one".
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