Base | Representation |
---|---|
bin | 101000010001001… |
… | …1010110101010111 |
3 | 10111011112002001200 |
4 | 1100202122311113 |
5 | 10231401400322 |
6 | 342024523543 |
7 | 45325003566 |
oct | 12042326527 |
9 | 3434462050 |
10 | 1351200087 |
11 | 633798696 |
12 | 3186205b3 |
13 | 186c236a3 |
14 | cb64bbdd |
15 | 7d9558ac |
hex | 5089ad57 |
1351200087 has 12 divisors (see below), whose sum is σ = 1952672904. Its totient is φ = 900366480.
The previous prime is 1351200031. The next prime is 1351200107. The reversal of 1351200087 is 7800021531.
It is not a de Polignac number, because 1351200087 - 26 = 1351200023 is a prime.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 1351200087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1351200187) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15793 + ... + 54330.
It is an arithmetic number, because the mean of its divisors is an integer number (162722742).
Almost surely, 21351200087 is an apocalyptic number.
1351200087 is a deficient number, since it is larger than the sum of its proper divisors (601472817).
1351200087 is a wasteful number, since it uses less digits than its factorization.
1351200087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72270 (or 72267 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 1351200087 is about 36758.6736294987. The cubic root of 1351200087 is about 1105.5368458060.
The spelling of 1351200087 in words is "one billion, three hundred fifty-one million, two hundred thousand, eighty-seven".
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