Base | Representation |
---|---|
bin | 10111110110010100… |
… | …11001011111010111 |
3 | 1020001022111110121220 |
4 | 23323022121133113 |
5 | 202210224213110 |
6 | 5514300341423 |
7 | 632201002605 |
oct | 137312313727 |
9 | 36038443556 |
10 | 12803741655 |
11 | 5480418681 |
12 | 2593b44873 |
13 | 12908277c3 |
14 | 89667c875 |
15 | 4ee0d6370 |
hex | 2fb2997d7 |
12803741655 has 16 divisors (see below), whose sum is σ = 20494771584. Its totient is φ = 6825733920.
The previous prime is 12803741597. The next prime is 12803741707. The reversal of 12803741655 is 55614730821.
It is a happy number.
It is not a de Polignac number, because 12803741655 - 29 = 12803741143 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146641 + ... + 217050.
It is an arithmetic number, because the mean of its divisors is an integer number (1280923224).
Almost surely, 212803741655 is an apocalyptic number.
12803741655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12803741655 is a deficient number, since it is larger than the sum of its proper divisors (7691029929).
12803741655 is a wasteful number, since it uses less digits than its factorization.
12803741655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 366046.
The product of its (nonzero) digits is 201600, while the sum is 42.
The spelling of 12803741655 in words is "twelve billion, eight hundred three million, seven hundred forty-one thousand, six hundred fifty-five".
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