Base | Representation |
---|---|
bin | 10011100100111001… |
… | …00011000110100001 |
3 | 1000010110110101102222 |
4 | 21302130203012201 |
5 | 133011031133100 |
6 | 4454522120425 |
7 | 521306463500 |
oct | 116234430641 |
9 | 30113411388 |
10 | 10510021025 |
11 | 45036a6399 |
12 | 2053950115 |
13 | cb657086a |
14 | 719ba6837 |
15 | 417a55485 |
hex | 2727231a1 |
10510021025 has 36 divisors (see below), whose sum is σ = 15182806140. Its totient is φ = 7196112000.
The previous prime is 10510021021. The next prime is 10510021031. The reversal of 10510021025 is 52012001501.
It can be written as a sum of positive squares in 6 ways, for example, as 13608721 + 10496412304 = 3689^2 + 102452^2 .
It is not a de Polignac number, because 10510021025 - 22 = 10510021021 is a prime.
It is a super-2 number, since 2×105100210252 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10510020994 and 10510021012.
It is not an unprimeable number, because it can be changed into a prime (10510021021) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 862475 + ... + 874575.
It is an arithmetic number, because the mean of its divisors is an integer number (421744615).
Almost surely, 210510021025 is an apocalyptic number.
It is an amenable number.
10510021025 is a deficient number, since it is larger than the sum of its proper divisors (4672785115).
10510021025 is a wasteful number, since it uses less digits than its factorization.
10510021025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12834 (or 12822 counting only the distinct ones).
The product of its (nonzero) digits is 100, while the sum is 17.
Adding to 10510021025 its reverse (52012001501), we get a palindrome (62522022526).
The spelling of 10510021025 in words is "ten billion, five hundred ten million, twenty-one thousand, twenty-five".
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