Base | Representation |
---|---|
bin | 100011001000110010… |
… | …1111111110011010100 |
3 | 21012202201211220010220 |
4 | 1012101211333303110 |
5 | 2214014004213022 |
6 | 54355311314340 |
7 | 5310616530066 |
oct | 1062145776324 |
9 | 235681756126 |
10 | 75457101012 |
11 | 2a001625907 |
12 | 1275a51b9b0 |
13 | 7166bbb0c7 |
14 | 391b6a3736 |
15 | 1e6975985c |
hex | 119197fcd4 |
75457101012 has 24 divisors (see below), whose sum is σ = 176360520000. Its totient is φ = 25110374016.
The previous prime is 75457100993. The next prime is 75457101019. The reversal of 75457101012 is 21010175457.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75457101019) 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, 5241637 + ... + 5256012.
It is an arithmetic number, because the mean of its divisors is an integer number (7348355000).
Almost surely, 275457101012 is an apocalyptic number.
It is an amenable number.
75457101012 is an abundant number, since it is smaller than the sum of its proper divisors (100903418988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75457101012 is a wasteful number, since it uses less digits than its factorization.
75457101012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10498255 (or 10498253 counting only the distinct ones).
The product of its (nonzero) digits is 9800, while the sum is 33.
Adding to 75457101012 its reverse (21010175457), we get a palindrome (96467276469).
The spelling of 75457101012 in words is "seventy-five billion, four hundred fifty-seven million, one hundred one thousand, twelve".
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