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20401401103 = 313717786749
BaseRepresentation
bin10011000000000001…
…001010110100001111
31221122210211120001021
4103000001022310033
5313240224313403
613212224455011
71321365022336
oct230001126417
957583746037
1020401401103
11871a071676
123b5447a467
131c018b9b95
14db7732d1d
157e61098bd
hex4c004ad0f

20401401103 has 8 divisors (see below), whose sum is σ = 21628688000. Its totient is φ = 19209687840.

The previous prime is 20401401077. The next prime is 20401401113. The reversal of 20401401103 is 30110410402.

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 20401401103 - 213 = 20401392911 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 (20401401113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8892228 + ... + 8894521.

It is an arithmetic number, because the mean of its divisors is an integer number (2703586000).

Almost surely, 220401401103 is an apocalyptic number.

20401401103 is a deficient number, since it is larger than the sum of its proper divisors (1227286897).

20401401103 is a wasteful number, since it uses less digits than its factorization.

20401401103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17786817.

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

Adding to 20401401103 its reverse (30110410402), we get a palindrome (50511811505).

The spelling of 20401401103 in words is "twenty billion, four hundred one million, four hundred one thousand, one hundred three".

Divisors: 1 31 37 1147 17786749 551389219 658109713 20401401103