Base | Representation |
---|---|
bin | 10001011101101001110… |
… | …000010000000010101111 |
3 | 11020201120221200011211202 |
4 | 101131221300100002233 |
5 | 124130220423210022 |
6 | 2315145443440115 |
7 | 152462566546124 |
oct | 21355160200257 |
9 | 4221527604752 |
10 | 1200070131887 |
11 | 422a46338230 |
12 | 1746b908603b |
13 | 89220ca1573 |
14 | 4212598274b |
15 | 2133ae40592 |
hex | 11769c100af |
1200070131887 has 8 divisors (see below), whose sum is σ = 1321877781120. Its totient is φ = 1080380876760.
The previous prime is 1200070131857. The next prime is 1200070131901. The reversal of 1200070131887 is 7881310700021.
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 1200070131887 - 230 = 1198996390063 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 1200070131887.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200070131857) 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, 529597337 + ... + 529599602.
It is an arithmetic number, because the mean of its divisors is an integer number (165234722640).
Almost surely, 21200070131887 is an apocalyptic number.
1200070131887 is a deficient number, since it is larger than the sum of its proper divisors (121807649233).
1200070131887 is a wasteful number, since it uses less digits than its factorization.
1200070131887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1059197053.
The product of its (nonzero) digits is 18816, while the sum is 38.
The spelling of 1200070131887 in words is "one trillion, two hundred billion, seventy million, one hundred thirty-one thousand, eight hundred eighty-seven".
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