Base | Representation |
---|---|
bin | 100011001000101101… |
… | …1100101010010110000 |
3 | 21012202112201012021001 |
4 | 1012101123211102300 |
5 | 2214012304332432 |
6 | 54355133011344 |
7 | 5310554366620 |
oct | 1062133452260 |
9 | 235675635231 |
10 | 75454370992 |
11 | 2a0000307a0 |
12 | 12759623b54 |
13 | 7166473600 |
14 | 391b192880 |
15 | 1e693ba9e7 |
hex | 11916e54b0 |
75454370992 has 240 divisors, whose sum is σ = 202202058240. Its totient is φ = 26471577600.
The previous prime is 75454370963. The next prime is 75454371007. The reversal of 75454370992 is 29907345457.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8532109 + ... + 8540947.
It is an arithmetic number, because the mean of its divisors is an integer number (842508576).
Almost surely, 275454370992 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 75454370992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101101029120).
75454370992 is an abundant number, since it is smaller than the sum of its proper divisors (126747687248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75454370992 is a wasteful number, since it uses less digits than its factorization.
75454370992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8932 (or 8913 counting only the distinct ones).
The product of its (nonzero) digits is 9525600, while the sum is 55.
The spelling of 75454370992 in words is "seventy-five billion, four hundred fifty-four million, three hundred seventy thousand, nine hundred ninety-two".
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