Base | Representation |
---|---|
bin | 100011000111001001… |
… | …0011100100011000110 |
3 | 21012121212111101202000 |
4 | 1012032102130203012 |
5 | 2213410310103410 |
6 | 54350010530130 |
7 | 5306344254363 |
oct | 1061622344306 |
9 | 235555441660 |
10 | 75401644230 |
11 | 29a83298360 |
12 | 12743a36946 |
13 | 7158572043 |
14 | 391418946a |
15 | 1e64952dc0 |
hex | 118e49c8c6 |
75401644230 has 256 divisors, whose sum is σ = 228278476800. Its totient is φ = 17549723520.
The previous prime is 75401644217. The next prime is 75401644243. The reversal of 75401644230 is 3244610457.
75401644230 is a `hidden beast` number, since 7 + 5 + 4 + 0 + 1 + 644 + 2 + 3 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (75401644217) and next prime (75401644243).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7529887 + ... + 7539893.
It is an arithmetic number, because the mean of its divisors is an integer number (891712800).
Almost surely, 275401644230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 75401644230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114139238400).
75401644230 is an abundant number, since it is smaller than the sum of its proper divisors (152876832570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75401644230 is a wasteful number, since it uses less digits than its factorization.
75401644230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10136 (or 10130 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 36.
The spelling of 75401644230 in words is "seventy-five billion, four hundred one million, six hundred forty-four thousand, two hundred thirty".
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