Base | Representation |
---|---|
bin | 100011010000010010001000… |
… | …111010001001011100101001 |
3 | 202022222200202001010220022120 |
4 | 203100102020322021130221 |
5 | 130310322130240030100 |
6 | 1305433134140141453 |
7 | 44442015546213033 |
oct | 4320221072113451 |
9 | 668880661126276 |
10 | 155050616330025 |
11 | 45449662836729 |
12 | 15481a21837889 |
13 | 6869297295600 |
14 | 2a406c02cac53 |
15 | 12dd35068c0a0 |
hex | 8d0488e89729 |
155050616330025 has 72 divisors (see below), whose sum is σ = 277653410446176. Its totient is φ = 76314205094400.
The previous prime is 155050616330023. The next prime is 155050616330089. The reversal of 155050616330025 is 520033616050551.
It is not a de Polignac number, because 155050616330025 - 21 = 155050616330023 is a prime.
It is not an unprimeable number, because it can be changed into a prime (155050616330023) 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 71 ways as a sum of consecutive naturals, for example, 51166510 + ... + 54112040.
It is an arithmetic number, because the mean of its divisors is an integer number (3856297367308).
Almost surely, 2155050616330025 is an apocalyptic number.
155050616330025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
155050616330025 is a deficient number, since it is larger than the sum of its proper divisors (122602794116151).
155050616330025 is a wasteful number, since it uses less digits than its factorization.
155050616330025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2949723 (or 2949705 counting only the distinct ones).
The product of its (nonzero) digits is 405000, while the sum is 42.
The spelling of 155050616330025 in words is "one hundred fifty-five trillion, fifty billion, six hundred sixteen million, three hundred thirty thousand, twenty-five".
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