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20102313003 = 329946724407
BaseRepresentation
bin10010101110001100…
…001111010000101011
31220212222001022022020
4102232030033100223
5312132143004003
613122422155523
71311103561353
oct225614172053
956788038266
1020102313003
118586260323
123a90282ba3
131b8494b186
14d89b19b63
157c9c2ad53
hex4ae30f42b

20102313003 has 16 divisors (see below), whose sum is σ = 27731393280. Its totient is φ = 12937522976.

The previous prime is 20102312981. The next prime is 20102313013. The reversal of 20102313003 is 30031320102.

It is a cyclic number.

It is not a de Polignac number, because 20102313003 - 26 = 20102312939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102313013) 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 15 ways as a sum of consecutive naturals, for example, 811426 + ... + 835832.

It is an arithmetic number, because the mean of its divisors is an integer number (1733212080).

Almost surely, 220102313003 is an apocalyptic number.

20102313003 is a deficient number, since it is larger than the sum of its proper divisors (7629080277).

20102313003 is a wasteful number, since it uses less digits than its factorization.

20102313003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33906.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20102313003 its reverse (30031320102), we get a palindrome (50133633105).

The spelling of 20102313003 in words is "twenty billion, one hundred two million, three hundred thirteen thousand, three".

Divisors: 1 3 29 87 9467 24407 28401 73221 274543 707803 823629 2123409 231061069 693183207 6700771001 20102313003