Base | Representation |
---|---|
bin | 101110001100100… |
… | …1111110010011001 |
3 | 11000000211100211000 |
4 | 1130121033302121 |
5 | 11133312402022 |
6 | 413452255213 |
7 | 53261551344 |
oct | 13431176231 |
9 | 4000740730 |
10 | 1550122137 |
11 | 726004783 |
12 | 373171509 |
13 | 1b91c1145 |
14 | 109c2d45b |
15 | 9114a6ac |
hex | 5c64fc99 |
1550122137 has 32 divisors (see below), whose sum is σ = 2356704000. Its totient is φ = 1006404480.
The previous prime is 1550122129. The next prime is 1550122139. The reversal of 1550122137 is 7312210551.
1550122137 is a `hidden beast` number, since 1 + 5 + 501 + 22 + 137 = 666.
It is not a de Polignac number, because 1550122137 - 23 = 1550122129 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 1550122137.
It is not an unprimeable number, because it can be changed into a prime (1550122139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 927939 + ... + 929607.
It is an arithmetic number, because the mean of its divisors is an integer number (73647000).
Almost surely, 21550122137 is an apocalyptic number.
It is an amenable number.
1550122137 is a deficient number, since it is larger than the sum of its proper divisors (806581863).
1550122137 is a wasteful number, since it uses less digits than its factorization.
1550122137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2558 (or 2552 counting only the distinct ones).
The product of its (nonzero) digits is 2100, while the sum is 27.
The square root of 1550122137 is about 39371.5904809547. The cubic root of 1550122137 is about 1157.3249239875.
Adding to 1550122137 its reverse (7312210551), we get a palindrome (8862332688).
The spelling of 1550122137 in words is "one billion, five hundred fifty million, one hundred twenty-two thousand, one hundred thirty-seven".
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