Base | Representation |
---|---|
bin | 1001011001101010010… |
… | …0010111000110111010 |
3 | 120102212200221100021002 |
4 | 2112122210113012322 |
5 | 10121231243404200 |
6 | 202110103445002 |
7 | 14445202650155 |
oct | 2263244270672 |
9 | 512780840232 |
10 | 161507013050 |
11 | 62549553399 |
12 | 27374456762 |
13 | 122cb546016 |
14 | 7b61b20c9c |
15 | 4303e1ebd5 |
hex | 259a9171ba |
161507013050 has 12 divisors (see below), whose sum is σ = 300403044366. Its totient is φ = 64602805200.
The previous prime is 161507012987. The next prime is 161507013067. The reversal of 161507013050 is 50310705161.
161507013050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 96588559369 + 64918453681 = 310787^2 + 254791^2 .
It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.
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 5 ways as a sum of consecutive naturals, for example, 1615070081 + ... + 1615070180.
Almost surely, 2161507013050 is an apocalyptic number.
161507013050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
161507013050 is a deficient number, since it is larger than the sum of its proper divisors (138896031316).
161507013050 is a wasteful number, since it uses less digits than its factorization.
161507013050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3230140273 (or 3230140268 counting only the distinct ones).
The product of its (nonzero) digits is 3150, while the sum is 29.
The spelling of 161507013050 in words is "one hundred sixty-one billion, five hundred seven million, thirteen thousand, fifty".
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