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20211210103 = 723312391913
BaseRepresentation
bin10010110100101011…
…101001011101110111
31221011112221212001011
4102310223221131313
5312343032210403
613141312213051
71313565310540
oct226453513567
957145855034
1020211210103
118631779327
123b0083a187
131ba1388526
14d9a3854c7
157d458ba6d
hex4b4ae9777

20211210103 has 8 divisors (see below), whose sum is σ = 23197663008. Its totient is φ = 17249541504.

The previous prime is 20211210083. The next prime is 20211210113. The reversal of 20211210103 is 30101211202.

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

It is a cyclic number.

It is not a de Polignac number, because 20211210103 - 29 = 20211209591 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 (20211210113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6194326 + ... + 6197587.

It is an arithmetic number, because the mean of its divisors is an integer number (2899707876).

Almost surely, 220211210103 is an apocalyptic number.

20211210103 is a deficient number, since it is larger than the sum of its proper divisors (2986452905).

20211210103 is a wasteful number, since it uses less digits than its factorization.

20211210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12392153.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20211210103 its reverse (30101211202), we get a palindrome (50312421305).

The spelling of 20211210103 in words is "twenty billion, two hundred eleven million, two hundred ten thousand, one hundred three".

Divisors: 1 7 233 1631 12391913 86743391 2887315729 20211210103