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10020213503 = 43233028221
BaseRepresentation
bin10010101010100000…
…00101001011111111
3221212022210120211122
421111100011023333
5131010133313003
64334143541155
7503211260306
oct112520051377
927768716748
1010020213503
114282170793
121b378ba7bb
13c38c46b21
146b0b0543d
153d9a52238
hex2554052ff

10020213503 has 4 divisors (see below), whose sum is σ = 10253241768. Its totient is φ = 9787185240.

The previous prime is 10020213461. The next prime is 10020213517. The reversal of 10020213503 is 30531202001.

10020213503 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: 30531202001 = 291052800069.

It is a cyclic number.

It is not a de Polignac number, because 10020213503 - 226 = 9953104639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020213403) 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, 116514068 + ... + 116514153.

It is an arithmetic number, because the mean of its divisors is an integer number (2563310442).

Almost surely, 210020213503 is an apocalyptic number.

10020213503 is a deficient number, since it is larger than the sum of its proper divisors (233028265).

10020213503 is an equidigital number, since it uses as much as digits as its factorization.

10020213503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233028264.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 10020213503 its reverse (30531202001), we get a palindrome (40551415504).

The spelling of 10020213503 in words is "ten billion, twenty million, two hundred thirteen thousand, five hundred three".

Divisors: 1 43 233028221 10020213503