Base | Representation |
---|---|
bin | 111111111110111110… |
… | …0011001010010100101 |
3 | 111010122221201111001211 |
4 | 1333331330121102211 |
5 | 4222401020012203 |
6 | 143042302151421 |
7 | 12633003405646 |
oct | 1777574312245 |
9 | 433587644054 |
10 | 137404454053 |
11 | 53300261049 |
12 | 22768582571 |
13 | cc59c1b4a9 |
14 | 6916a296cd |
15 | 3892e20c6d |
hex | 1ffdf194a5 |
137404454053 has 4 divisors (see below), whose sum is σ = 137405426860. Its totient is φ = 137403481248.
The previous prime is 137404454029. The next prime is 137404454111. The reversal of 137404454053 is 350454404731.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 130221383044 + 7183071009 = 360862^2 + 84753^2 .
It is a cyclic number.
It is not a de Polignac number, because 137404454053 - 25 = 137404454021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 137404453997 and 137404454015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (137404454023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229200 + ... + 572137.
It is an arithmetic number, because the mean of its divisors is an integer number (34351356715).
Almost surely, 2137404454053 is an apocalyptic number.
It is an amenable number.
137404454053 is a deficient number, since it is larger than the sum of its proper divisors (972807).
137404454053 is an equidigital number, since it uses as much as digits as its factorization.
137404454053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 972806.
The product of its (nonzero) digits is 403200, while the sum is 40.
Adding to 137404454053 its reverse (350454404731), we get a palindrome (487858858784).
The spelling of 137404454053 in words is "one hundred thirty-seven billion, four hundred four million, four hundred fifty-four thousand, fifty-three".
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