Base | Representation |
---|---|
bin | 100010111100111000… |
… | …0000111010011100000 |
3 | 21011201212011201220121 |
4 | 1011321300013103200 |
5 | 2212204104200000 |
6 | 54251502050024 |
7 | 5264661552301 |
oct | 1057160072340 |
9 | 234655151817 |
10 | 75057100000 |
11 | 2991685a163 |
12 | 12668579914 |
13 | 710207920c |
14 | 38c04dc7a8 |
15 | 1e44595b1a |
hex | 1179c074e0 |
75057100000 has 72 divisors (see below), whose sum is σ = 184699256616. Its totient is φ = 30022800000.
The previous prime is 75057099989. The next prime is 75057100003. The reversal of 75057100000 is 175057.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75057100003) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275286 + ... + 475285.
It is an arithmetic number, because the mean of its divisors is an integer number (2565267453).
Almost surely, 275057100000 is an apocalyptic number.
It is an amenable number.
75057100000 is an abundant number, since it is smaller than the sum of its proper divisors (109642156616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75057100000 is an frugal number, since it uses more digits than its factorization.
75057100000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 750606 (or 750578 counting only the distinct ones).
The product of its (nonzero) digits is 1225, while the sum is 25.
Adding to 75057100000 its reverse (175057), we get a palindrome (75057275057).
The spelling of 75057100000 in words is "seventy-five billion, fifty-seven million, one hundred thousand".
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