Base | Representation |
---|---|
bin | 11101110110101101001… |
… | …10000111000000001111 |
3 | 10122001202221102210122002 |
4 | 32323112212013000033 |
5 | 113301320421441311 |
6 | 2103125220142515 |
7 | 134053225434311 |
oct | 16732646070017 |
9 | 3561687383562 |
10 | 1025802530831 |
11 | 366049871241 |
12 | 146983237a3b |
13 | 7596ab5cb70 |
14 | 379132177b1 |
15 | 1ba3bb1093b |
hex | eed698700f |
1025802530831 has 16 divisors (see below), whose sum is σ = 1181752102944. Its totient is φ = 882007363584.
The previous prime is 1025802530821. The next prime is 1025802530833. The reversal of 1025802530831 is 1380352085201.
It is a cyclic number.
It is not a de Polignac number, because 1025802530831 - 234 = 1008622661647 is a prime.
It is a super-2 number, since 2×10258025308312 (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 (1025802530833) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23904545 + ... + 23947418.
It is an arithmetic number, because the mean of its divisors is an integer number (73859506434).
Almost surely, 21025802530831 is an apocalyptic number.
1025802530831 is a deficient number, since it is larger than the sum of its proper divisors (155949572113).
1025802530831 is a wasteful number, since it uses less digits than its factorization.
1025802530831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47852090.
The product of its (nonzero) digits is 57600, while the sum is 38.
The spelling of 1025802530831 in words is "one trillion, twenty-five billion, eight hundred two million, five hundred thirty thousand, eight hundred thirty-one".
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