Base | Representation |
---|---|
bin | 1000110110011110001… |
… | …0110000101000110001 |
3 | 112112111101122012210100 |
4 | 2031213202300220301 |
5 | 4442410110130341 |
6 | 153504511223013 |
7 | 13662133231011 |
oct | 2154742605061 |
9 | 475441565710 |
10 | 152061020721 |
11 | 59541533565 |
12 | 25578b17a69 |
13 | 1145457024c |
14 | 75073b1c41 |
15 | 3e4e9e73b6 |
hex | 23678b0a31 |
152061020721 has 12 divisors (see below), whose sum is σ = 229193422848. Its totient is φ = 96966447864.
The previous prime is 152061020693. The next prime is 152061020731. The reversal of 152061020721 is 127020160251.
152061020721 is a `hidden beast` number, since 1 + 5 + 2 + 0 + 610 + 20 + 7 + 21 = 666.
It is not a de Polignac number, because 152061020721 - 211 = 152061018673 is a prime.
It is not an unprimeable number, because it can be changed into a prime (152061020731) 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 11 ways as a sum of consecutive naturals, for example, 367296945 + ... + 367297358.
It is an arithmetic number, because the mean of its divisors is an integer number (19099451904).
Almost surely, 2152061020721 is an apocalyptic number.
It is an amenable number.
152061020721 is a deficient number, since it is larger than the sum of its proper divisors (77132402127).
152061020721 is a wasteful number, since it uses less digits than its factorization.
152061020721 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 734594332 (or 734594329 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
Adding to 152061020721 its reverse (127020160251), we get a palindrome (279081180972).
The spelling of 152061020721 in words is "one hundred fifty-two billion, sixty-one million, twenty thousand, seven hundred twenty-one".
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