Base | Representation |
---|---|
bin | 1110100111001001000010… |
… | …11010110111001010101001 |
3 | 11012202201021100020121120202 |
4 | 13103210201122313022221 |
5 | 13202414210010444314 |
6 | 152200512524001545 |
7 | 6524255235302663 |
oct | 723444132671251 |
9 | 135681240217522 |
10 | 32131211031209 |
11 | a268851a71704 |
12 | 372b2b16902b5 |
13 | 14c0c63732654 |
14 | 7d12320a7533 |
15 | 3aac170d40de |
hex | 1d39216b72a9 |
32131211031209 has 8 divisors (see below), whose sum is σ = 32317148714760. Its totient is φ = 31945275740416.
The previous prime is 32131211031151. The next prime is 32131211031281. The reversal of 32131211031209 is 90213011213123.
It can be written as a sum of positive squares in 4 ways, for example, as 254290249984 + 31876920781225 = 504272^2 + 5645965^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 32131211031209 - 240 = 31031699403433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (32131211031109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31217807 + ... + 32230635.
It is an arithmetic number, because the mean of its divisors is an integer number (4039643589345).
Almost surely, 232131211031209 is an apocalyptic number.
It is an amenable number.
32131211031209 is a deficient number, since it is larger than the sum of its proper divisors (185937683551).
32131211031209 is a wasteful number, since it uses less digits than its factorization.
32131211031209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1196379.
The product of its (nonzero) digits is 1944, while the sum is 29.
The spelling of 32131211031209 in words is "thirty-two trillion, one hundred thirty-one billion, two hundred eleven million, thirty-one thousand, two hundred nine".
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