Base | Representation |
---|---|
bin | 10110110101100001… |
… | …01111000110000010 |
3 | 1011122102121211010112 |
4 | 23122300233012002 |
5 | 200102044042430 |
6 | 5344321231322 |
7 | 612550333400 |
oct | 133260570602 |
9 | 34572554115 |
10 | 12260143490 |
11 | 52215932a1 |
12 | 2461a92542 |
13 | 120501919a |
14 | 8443b8470 |
15 | 4bb50a195 |
hex | 2dac2f182 |
12260143490 has 96 divisors (see below), whose sum is σ = 27682300800. Its totient is φ = 3884993280.
The previous prime is 12260143481. The next prime is 12260143513. The reversal of 12260143490 is 9434106221.
It is a super-2 number, since 2×122601434902 (a number of 21 digits) contains 22 as substring.
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, 365651 + ... + 397769.
It is an arithmetic number, because the mean of its divisors is an integer number (288357300).
Almost surely, 212260143490 is an apocalyptic number.
12260143490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12260143490 is an abundant number, since it is smaller than the sum of its proper divisors (15422157310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12260143490 is a wasteful number, since it uses less digits than its factorization.
12260143490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32200 (or 32193 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 32.
The spelling of 12260143490 in words is "twelve billion, two hundred sixty million, one hundred forty-three thousand, four hundred ninety".
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