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10131020003 = 13779309231
BaseRepresentation
bin10010110111101101…
…10001100011100011
3222011001022010210002
421123312301203203
5131222020120003
64353142530215
7506025151316
oct113366614343
928131263702
1010131020003
114329773305
121b68a3696b
13c55ba22c0
146c170a97d
153e463da88
hex25bdb18e3

10131020003 has 4 divisors (see below), whose sum is σ = 10910329248. Its totient is φ = 9351710760.

The previous prime is 10131019979. The next prime is 10131020017. The reversal of 10131020003 is 30002013101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10131020003 - 28 = 10131019747 is a prime.

It is a super-2 number, since 2×101310200032 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10131020083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389654603 + ... + 389654628.

It is an arithmetic number, because the mean of its divisors is an integer number (2727582312).

Almost surely, 210131020003 is an apocalyptic number.

10131020003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10131020003 is a deficient number, since it is larger than the sum of its proper divisors (779309245).

10131020003 is an equidigital number, since it uses as much as digits as its factorization.

10131020003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779309244.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 10131020003 its reverse (30002013101), we get a palindrome (40133033104).

The spelling of 10131020003 in words is "ten billion, one hundred thirty-one million, twenty thousand, three".

Divisors: 1 13 779309231 10131020003