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10003525531 = 17357823847
BaseRepresentation
bin10010101000100000…
…11010111110011011
3221211011101202020121
421110100122332123
5130441400304111
64332350134111
7502616364316
oct112420327633
927734352217
1010003525531
11427380287a
121b321b1337
13c3565309c
146ac7dd97d
153d8357871
hex25441af9b

10003525531 has 4 divisors (see below), whose sum is σ = 10061349552. Its totient is φ = 9945701512.

The previous prime is 10003525529. The next prime is 10003525549. The reversal of 10003525531 is 13552530001.

10003525531 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, and also an emirpimes, since its reverse is a distinct semiprime: 13552530001 = 35111385991.

It is a cyclic number.

It is not a de Polignac number, because 10003525531 - 21 = 10003525529 is a prime.

It is a super-2 number, since 2×100035255312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10003525496 and 10003525505.

It is not an unprimeable number, because it can be changed into a prime (10003525331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28911751 + ... + 28912096.

It is an arithmetic number, because the mean of its divisors is an integer number (2515337388).

Almost surely, 210003525531 is an apocalyptic number.

10003525531 is a deficient number, since it is larger than the sum of its proper divisors (57824021).

10003525531 is an equidigital number, since it uses as much as digits as its factorization.

10003525531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57824020.

The product of its (nonzero) digits is 2250, while the sum is 25.

The spelling of 10003525531 in words is "ten billion, three million, five hundred twenty-five thousand, five hundred thirty-one".

Divisors: 1 173 57823847 10003525531