Base | Representation |
---|---|
bin | 110011111010111110… |
… | …011010110001011100 |
3 | 12022220022222100211011 |
4 | 303322332122301130 |
5 | 1403134032233030 |
6 | 41340013505004 |
7 | 4012354340251 |
oct | 637276326134 |
9 | 168808870734 |
10 | 55750274140 |
11 | 21709638130 |
12 | a97a7a2164 |
13 | 5346190ac2 |
14 | 29ac2d5428 |
15 | 16b45eeb2a |
hex | cfaf9ac5c |
55750274140 has 48 divisors (see below), whose sum is σ = 131838787584. Its totient is φ = 19618862400.
The previous prime is 55750274137. The next prime is 55750274141. The reversal of 55750274140 is 4147205755.
It is a junction number, because it is equal to n+sod(n) for n = 55750274093 and 55750274102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55750274141) 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, 4080444 + ... + 4094083.
It is an arithmetic number, because the mean of its divisors is an integer number (2746641408).
Almost surely, 255750274140 is an apocalyptic number.
It is an amenable number.
55750274140 is an abundant number, since it is smaller than the sum of its proper divisors (76088513444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55750274140 is a wasteful number, since it uses less digits than its factorization.
55750274140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8174578 (or 8174576 counting only the distinct ones).
The product of its (nonzero) digits is 196000, while the sum is 40.
Adding to 55750274140 its reverse (4147205755), we get a palindrome (59897479895).
The spelling of 55750274140 in words is "fifty-five billion, seven hundred fifty million, two hundred seventy-four thousand, one hundred forty".
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