Base | Representation |
---|---|
bin | 10010001110010101000… |
… | …000100110011000011010 |
3 | 11102201111102002012120220 |
4 | 102032111000212120122 |
5 | 131004240333224110 |
6 | 2355152010500510 |
7 | 156323016435621 |
oct | 22162500463032 |
9 | 4381442065526 |
10 | 1252335445530 |
11 | 44312678aa14 |
12 | 182864734736 |
13 | 91130160360 |
14 | 448830b26b8 |
15 | 22899604370 |
hex | 1239502661a |
1252335445530 has 128 divisors (see below), whose sum is σ = 3408703361280. Its totient is φ = 291910625280.
The previous prime is 1252335445523. The next prime is 1252335445567. The reversal of 1252335445530 is 355445332521.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16865164 + ... + 16939256.
It is an arithmetic number, because the mean of its divisors is an integer number (26630495010).
Almost surely, 21252335445530 is an apocalyptic number.
1252335445530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1252335445530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704351680640).
1252335445530 is an abundant number, since it is smaller than the sum of its proper divisors (2156367915750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1252335445530 is a wasteful number, since it uses less digits than its factorization.
1252335445530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76416.
The product of its (nonzero) digits is 1080000, while the sum is 42.
The spelling of 1252335445530 in words is "one trillion, two hundred fifty-two billion, three hundred thirty-five million, four hundred forty-five thousand, five hundred thirty".
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