Base | Representation |
---|---|
bin | 11010100100100100010… |
… | …10011000010010101110 |
3 | 10020021120111211200220110 |
4 | 31102102022120102232 |
5 | 104424243211324410 |
6 | 1535230350400450 |
7 | 122650424451000 |
oct | 15222212302256 |
9 | 3207514750813 |
10 | 912985261230 |
11 | 322216418849 |
12 | 128b38b00126 |
13 | 6812ba9a333 |
14 | 3228dbd6370 |
15 | 18b3751b720 |
hex | d4922984ae |
912985261230 has 128 divisors (see below), whose sum is σ = 2593434700800. Its totient is φ = 205567528320.
The previous prime is 912985261157. The next prime is 912985261249. The reversal of 912985261230 is 32162589219.
It is a happy number.
It is a super-2 number, since 2×9129852612302 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 912985261230.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27300 + ... + 1351560.
It is an arithmetic number, because the mean of its divisors is an integer number (20261208600).
Almost surely, 2912985261230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 912985261230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296717350400).
912985261230 is an abundant number, since it is smaller than the sum of its proper divisors (1680449439570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
912985261230 is a wasteful number, since it uses less digits than its factorization.
912985261230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1324359 (or 1324345 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 48.
The spelling of 912985261230 in words is "nine hundred twelve billion, nine hundred eighty-five million, two hundred sixty-one thousand, two hundred thirty".
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