Base | Representation |
---|---|
bin | 11110111101001101001… |
… | …010011111101011111101 |
3 | 21112100221102200001022020 |
4 | 132331031022133223331 |
5 | 234323204133032011 |
6 | 4305134130510353 |
7 | 306456363423204 |
oct | 36751512375375 |
9 | 7470842601266 |
10 | 2127303408381 |
11 | 7502033517a8 |
12 | 2a43517353b9 |
13 | 1257b0876958 |
14 | 74d67b7223b |
15 | 3a509231006 |
hex | 1ef4d29fafd |
2127303408381 has 32 divisors (see below), whose sum is σ = 2946994848000. Its totient is φ = 1363837741056.
The previous prime is 2127303408331. The next prime is 2127303408437. The reversal of 2127303408381 is 1838043037212.
It is a happy number.
It is not a de Polignac number, because 2127303408381 - 27 = 2127303408253 is a prime.
It is a super-2 number, since 2×21273034083812 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2127303408331) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8020120 + ... + 8281118.
It is an arithmetic number, because the mean of its divisors is an integer number (92093589000).
Almost surely, 22127303408381 is an apocalyptic number.
It is an amenable number.
2127303408381 is a deficient number, since it is larger than the sum of its proper divisors (819691439619).
2127303408381 is a wasteful number, since it uses less digits than its factorization.
2127303408381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 261893.
The product of its (nonzero) digits is 193536, while the sum is 42.
The spelling of 2127303408381 in words is "two trillion, one hundred twenty-seven billion, three hundred three million, four hundred eight thousand, three hundred eighty-one".
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