Base | Representation |
---|---|
bin | 11101110110000011010… |
… | …10110001001001100101 |
3 | 10122000212110210001112011 |
4 | 32323001222301021211 |
5 | 113300111031234001 |
6 | 2103030314554221 |
7 | 134041433225221 |
oct | 16730152611145 |
9 | 3560773701464 |
10 | 1025451430501 |
11 | 365989665383 |
12 | 1468a5738971 |
13 | 759131acba4 |
14 | 378bc741781 |
15 | 1ba1adaad51 |
hex | eec1ab1265 |
1025451430501 has 4 divisors (see below), whose sum is σ = 1034859241900. Its totient is φ = 1016043619104.
The previous prime is 1025451430481. The next prime is 1025451430543. The reversal of 1025451430501 is 1050341545201.
1025451430501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 901219854276 + 124231576225 = 949326^2 + 352465^2 .
It is a cyclic number.
It is not a de Polignac number, because 1025451430501 - 235 = 991091692133 is a prime.
It is a super-2 number, since 2×10254514305012 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1025451439501) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4703905536 + ... + 4703905753.
It is an arithmetic number, because the mean of its divisors is an integer number (258714810475).
Almost surely, 21025451430501 is an apocalyptic number.
It is an amenable number.
1025451430501 is a deficient number, since it is larger than the sum of its proper divisors (9407811399).
1025451430501 is an equidigital number, since it uses as much as digits as its factorization.
1025451430501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9407811398.
The product of its (nonzero) digits is 12000, while the sum is 31.
Adding to 1025451430501 its reverse (1050341545201), we get a palindrome (2075792975702).
The spelling of 1025451430501 in words is "one trillion, twenty-five billion, four hundred fifty-one million, four hundred thirty thousand, five hundred one".
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