Base | Representation |
---|---|
bin | 100011001000000111… |
… | …1011011011001000000 |
3 | 21012201011010221111000 |
4 | 1012100033123121000 |
5 | 2213442202014423 |
6 | 54353141052000 |
7 | 5310222612156 |
oct | 1062017333100 |
9 | 235634127430 |
10 | 75434407488 |
11 | 29a9a835930 |
12 | 127529b7000 |
13 | 71622a399b |
14 | 39186773d6 |
15 | 1e67775843 |
hex | 11903db640 |
75434407488 has 448 divisors, whose sum is σ = 246896778240. Its totient is φ = 22394880000.
The previous prime is 75434407483. The next prime is 75434407523. The reversal of 75434407488 is 88470443457.
75434407488 is a `hidden beast` number, since 7 + 54 + 3 + 440 + 74 + 88 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (75434407483) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 300535363 + ... + 300535613.
It is an arithmetic number, because the mean of its divisors is an integer number (551108880).
Almost surely, 275434407488 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 75434407488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123448389120).
75434407488 is an abundant number, since it is smaller than the sum of its proper divisors (171462370752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75434407488 is a wasteful number, since it uses less digits than its factorization.
75434407488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 543 (or 527 counting only the distinct ones).
The product of its (nonzero) digits is 12042240, while the sum is 54.
The spelling of 75434407488 in words is "seventy-five billion, four hundred thirty-four million, four hundred seven thousand, four hundred eighty-eight".
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