Base | Representation |
---|---|
bin | 1001011110001010… |
… | …0100010010001010 |
3 | 20120012000101010120 |
4 | 2113202210102022 |
5 | 20201324434010 |
6 | 1100140524110 |
7 | 120001136334 |
oct | 22742442212 |
9 | 6505011116 |
10 | 2542421130 |
11 | 1095148697 |
12 | 5ab550636 |
13 | 316963002 |
14 | 1a1934454 |
15 | ed309e70 |
hex | 978a448a |
2542421130 has 64 divisors (see below), whose sum is σ = 6252370560. Its totient is φ = 661396736.
The previous prime is 2542421129. The next prime is 2542421177. The reversal of 2542421130 is 311242452.
It is a super-3 number, since 3×25424211303 (a number of 29 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2542421130.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280144 + ... + 289076.
It is an arithmetic number, because the mean of its divisors is an integer number (97693290).
Almost surely, 22542421130 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2542421130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3126185280).
2542421130 is an abundant number, since it is smaller than the sum of its proper divisors (3709949430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2542421130 is a wasteful number, since it uses less digits than its factorization.
2542421130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9175.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 2542421130 is about 50422.4268555174. The cubic root of 2542421130 is about 1364.8423706665.
Adding to 2542421130 its reverse (311242452), we get a palindrome (2853663582).
The spelling of 2542421130 in words is "two billion, five hundred forty-two million, four hundred twenty-one thousand, one hundred thirty".
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