Base | Representation |
---|---|
bin | 1100001110100111101100… |
… | …1100100011000100100111 |
3 | 1202121100201002100012100221 |
4 | 3003221323030203010213 |
5 | 3230242001004222211 |
6 | 44332405304145211 |
7 | 2555251266526540 |
oct | 303517314430447 |
9 | 52540632305327 |
10 | 13445314523431 |
11 | 431414259125a |
12 | 1611960768207 |
13 | 766b7041c11b |
14 | 346a8452b4c7 |
15 | 184b243eac71 |
hex | c3a7b323127 |
13445314523431 has 8 divisors (see below), whose sum is σ = 15374031329664. Its totient is φ = 11518587114360.
The previous prime is 13445314523419. The next prime is 13445314523449. The reversal of 13445314523431 is 13432541354431.
13445314523431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13445314523431 - 239 = 12895558709543 is a prime.
It is a super-2 number, since 2×134453145234312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13445314523731) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497334805 + ... + 497361838.
It is an arithmetic number, because the mean of its divisors is an integer number (1921753916208).
Almost surely, 213445314523431 is an apocalyptic number.
13445314523431 is a deficient number, since it is larger than the sum of its proper divisors (1928716806233).
13445314523431 is an equidigital number, since it uses as much as digits as its factorization.
13445314523431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 994698581.
The product of its digits is 1036800, while the sum is 43.
Adding to 13445314523431 its reverse (13432541354431), we get a palindrome (26877855877862).
The spelling of 13445314523431 in words is "thirteen trillion, four hundred forty-five billion, three hundred fourteen million, five hundred twenty-three thousand, four hundred thirty-one".
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