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1421142103 = 13110848413
BaseRepresentation
bin101010010110100…
…1110100001010111
310200001010111110201
41110231032201113
510402303021403
6353004001331
750134336303
oct12455164127
93601114421
101421142103
1166a21a107
12337b30247
131985719b4
14d6a56d03
1584b6e21d
hex54b4e857

1421142103 has 4 divisors (see below), whose sum is σ = 1431990648. Its totient is φ = 1410293560.

The previous prime is 1421142097. The next prime is 1421142119. The reversal of 1421142103 is 3012411241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1421142103 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 (1421142133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5424076 + ... + 5424337.

It is an arithmetic number, because the mean of its divisors is an integer number (357997662).

Almost surely, 21421142103 is an apocalyptic number.

1421142103 is a deficient number, since it is larger than the sum of its proper divisors (10848545).

1421142103 is a wasteful number, since it uses less digits than its factorization.

1421142103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10848544.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1421142103 is about 37698.0384502961. The cubic root of 1421142103 is about 1124.2921250202.

Adding to 1421142103 its reverse (3012411241), we get a palindrome (4433553344).

The spelling of 1421142103 in words is "one billion, four hundred twenty-one million, one hundred forty-two thousand, one hundred three".

Divisors: 1 131 10848413 1421142103