Base | Representation |
---|---|
bin | 1010001110011111… |
… | …1111001010001101 |
3 | 21002022112000021100 |
4 | 2203213333022031 |
5 | 21110230343100 |
6 | 1132222253313 |
7 | 125012355531 |
oct | 24347771215 |
9 | 7068460240 |
10 | 2745168525 |
11 | 1189637820 |
12 | 647427239 |
13 | 34996c998 |
14 | 1c082dbc1 |
15 | 111008400 |
hex | a39ff28d |
2745168525 has 36 divisors (see below), whose sum is σ = 5363897760. Its totient is φ = 1330989600.
The previous prime is 2745168511. The next prime is 2745168533. The reversal of 2745168525 is 5258615472.
2745168525 is a `hidden beast` number, since 2 + 74 + 51 + 6 + 8 + 525 = 666.
It is not a de Polignac number, because 2745168525 - 27 = 2745168397 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 552105 + ... + 557054.
It is an arithmetic number, because the mean of its divisors is an integer number (148997160).
Almost surely, 22745168525 is an apocalyptic number.
2745168525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2745168525 is a deficient number, since it is larger than the sum of its proper divisors (2618729235).
2745168525 is a wasteful number, since it uses less digits than its factorization.
2745168525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1109186 (or 1109178 counting only the distinct ones).
The product of its digits is 672000, while the sum is 45.
The square root of 2745168525 is about 52394.3558506067. The cubic root of 2745168525 is about 1400.1987005388.
The spelling of 2745168525 in words is "two billion, seven hundred forty-five million, one hundred sixty-eight thousand, five hundred twenty-five".
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