Base | Representation |
---|---|
bin | 101010111111100… |
… | …1000011010100010 |
3 | 10201112112022212100 |
4 | 1111333020122202 |
5 | 10423302103043 |
6 | 355052111230 |
7 | 50515002336 |
oct | 12577103242 |
9 | 3645468770 |
10 | 1442612898 |
11 | 680354471 |
12 | 343165516 |
13 | 19cb4b6cc |
14 | d98457c6 |
15 | 869b0cd3 |
hex | 55fc86a2 |
1442612898 has 24 divisors (see below), whose sum is σ = 3128147568. Its totient is φ = 480488472.
The previous prime is 1442612881. The next prime is 1442612947. The reversal of 1442612898 is 8982162441.
1442612898 is a `hidden beast` number, since 14 + 426 + 128 + 98 = 666.
It is a super-2 number, since 2×14426128982 = 4162263946951916808, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8140 + ... + 54327.
It is an arithmetic number, because the mean of its divisors is an integer number (130339482).
Almost surely, 21442612898 is an apocalyptic number.
1442612898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
1442612898 is an abundant number, since it is smaller than the sum of its proper divisors (1685534670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442612898 is a wasteful number, since it uses less digits than its factorization.
1442612898 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63758 (or 63755 counting only the distinct ones).
The product of its digits is 221184, while the sum is 45.
The square root of 1442612898 is about 37981.7442727424. The cubic root of 1442612898 is about 1129.9258306189.
The spelling of 1442612898 in words is "one billion, four hundred forty-two million, six hundred twelve thousand, eight hundred ninety-eight".
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