Base | Representation |
---|---|
bin | 100011000111101010… |
… | …1111110010000010100 |
3 | 21012200002210201220220 |
4 | 1012033111332100110 |
5 | 2213424323032230 |
6 | 54351442154340 |
7 | 5306650602021 |
oct | 1061725762024 |
9 | 235602721826 |
10 | 75419345940 |
11 | 29a92288974 |
12 | 127499529b0 |
13 | 715c12c323 |
14 | 3916676548 |
15 | 1e6629cd10 |
hex | 118f57e414 |
75419345940 has 96 divisors (see below), whose sum is σ = 223243413120. Its totient is φ = 18971467776.
The previous prime is 75419345899. The next prime is 75419345951. The reversal of 75419345940 is 4954391457.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123652 + ... + 407588.
It is an arithmetic number, because the mean of its divisors is an integer number (2325452220).
Almost surely, 275419345940 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 75419345940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111621706560).
75419345940 is an abundant number, since it is smaller than the sum of its proper divisors (147824067180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75419345940 is a wasteful number, since it uses less digits than its factorization.
75419345940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284201 (or 284199 counting only the distinct ones).
The product of its (nonzero) digits is 2721600, while the sum is 51.
The spelling of 75419345940 in words is "seventy-five billion, four hundred nineteen million, three hundred forty-five thousand, nine hundred forty".
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