Base | Representation |
---|---|
bin | 1001011010100101111… |
… | …0001100011100001101 |
3 | 120110112010102202222011 |
4 | 2112221132030130031 |
5 | 10122234301222413 |
6 | 202150555021221 |
7 | 14454330164521 |
oct | 2265136143415 |
9 | 513463382864 |
10 | 161757054733 |
11 | 6266770540a |
12 | 2742413a811 |
13 | 1233b2a1691 |
14 | 7b8700bd81 |
15 | 431ad6133d |
hex | 25a978c70d |
161757054733 has 16 divisors (see below), whose sum is σ = 167131080000. Its totient is φ = 156494143872.
The previous prime is 161757054731. The next prime is 161757054757. The reversal of 161757054733 is 337450757161.
161757054733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 161757054733 - 21 = 161757054731 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161757054731) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 797458 + ... + 979516.
It is an arithmetic number, because the mean of its divisors is an integer number (10445692500).
Almost surely, 2161757054733 is an apocalyptic number.
It is an amenable number.
161757054733 is a deficient number, since it is larger than the sum of its proper divisors (5374025267).
161757054733 is a wasteful number, since it uses less digits than its factorization.
161757054733 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182364.
The product of its (nonzero) digits is 1852200, while the sum is 49.
The spelling of 161757054733 in words is "one hundred sixty-one billion, seven hundred fifty-seven million, fifty-four thousand, seven hundred thirty-three".
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