Base | Representation |
---|---|
bin | 10011010101000110… |
… | …111011000000001110 |
3 | 1222120110121222001102 |
4 | 103111012323000032 |
5 | 320001314340414 |
6 | 13311304343102 |
7 | 1333222356530 |
oct | 232506730016 |
9 | 58513558042 |
10 | 20755230734 |
11 | 8890872057 |
12 | 4032a74a92 |
13 | 1c59cb4224 |
14 | 100c719850 |
15 | 8171ecede |
hex | 4d51bb00e |
20755230734 has 32 divisors (see below), whose sum is σ = 36903923136. Its totient is φ = 8568979200.
The previous prime is 20755230653. The next prime is 20755230737. The reversal of 20755230734 is 43703255702.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20755230737) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146039 + ... + 250674.
It is an arithmetic number, because the mean of its divisors is an integer number (1153247598).
Almost surely, 220755230734 is an apocalyptic number.
20755230734 is a deficient number, since it is larger than the sum of its proper divisors (16148692402).
20755230734 is a wasteful number, since it uses less digits than its factorization.
20755230734 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 396860.
The product of its (nonzero) digits is 176400, while the sum is 38.
The spelling of 20755230734 in words is "twenty billion, seven hundred fifty-five million, two hundred thirty thousand, seven hundred thirty-four".
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