Base | Representation |
---|---|
bin | 11111111010010100111… |
… | …001111010100100010001 |
3 | 21202122100011120002220021 |
4 | 133322110321322210101 |
5 | 241412110432443100 |
6 | 4355230245143441 |
7 | 314301613313554 |
oct | 37722471724421 |
9 | 7678304502807 |
10 | 2192931531025 |
11 | 776020752694 |
12 | 2b50083bab81 |
13 | 12ba3c326911 |
14 | 781d1cb069b |
15 | 3c09ab10a1a |
hex | 1fe94e7a911 |
2192931531025 has 81 divisors (see below), whose sum is σ = 2896812019899. Its totient is φ = 1646663372640.
The previous prime is 2192931531001. The next prime is 2192931531059. The reversal of 2192931531025 is 5201351392912.
The square root of 2192931531025 is 1480855.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 789455351169 + 1403476179856 = 888513^2 + 1184684^2 .
It is not a de Polignac number, because 2192931531025 - 29 = 2192931530513 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 13453567594 + ... + 13453567756.
Almost surely, 22192931531025 is an apocalyptic number.
2192931531025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2192931531025 is the 1480855-th square number.
2192931531025 is the 740428-th centered octagonal number.
It is an amenable number.
2192931531025 is a deficient number, since it is larger than the sum of its proper divisors (703880488874).
2192931531025 is an frugal number, since it uses more digits than its factorization.
2192931531025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 540 (or 270 counting only the distinct ones).
The product of its (nonzero) digits is 145800, while the sum is 43.
The spelling of 2192931531025 in words is "two trillion, one hundred ninety-two billion, nine hundred thirty-one million, five hundred thirty-one thousand, twenty-five".
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