Search a number
-
+
20211420103 = 713831208759
BaseRepresentation
bin10010110100101100…
…011100101111000111
31221011120100112002221
4102310230130233013
5312343110420403
613141320513211
71313600144020
oct226454345707
957146315087
1020211420103
118631902086
123b0091b807
131ba142cca4
14d9a3dbc47
157d45cddbd
hex4b4b1cbc7

20211420103 has 8 divisors (see below), whose sum is σ = 23100546560. Its totient is φ = 17322738840.

The previous prime is 20211420067. The next prime is 20211420113. The reversal of 20211420103 is 30102411202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20211420103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211420113) 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 7 ways as a sum of consecutive naturals, for example, 7563 + ... + 201196.

It is an arithmetic number, because the mean of its divisors is an integer number (2887568320).

Almost surely, 220211420103 is an apocalyptic number.

20211420103 is a deficient number, since it is larger than the sum of its proper divisors (2889126457).

20211420103 is a wasteful number, since it uses less digits than its factorization.

20211420103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222597.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20211420103 its reverse (30102411202), we get a palindrome (50313831305).

The spelling of 20211420103 in words is "twenty billion, two hundred eleven million, four hundred twenty thousand, one hundred three".

Divisors: 1 7 13831 96817 208759 1461313 2887345729 20211420103