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3103140421 = 27711202673
BaseRepresentation
bin1011100011110110…
…0010101001000101
322000021002212101201
42320331202221011
522323400443141
61231531022501
7136620154423
oct27075425105
98007085351
103103140421
111352707367
1272729aa31
133a5b87584
142161b4113
15132669031
hexb8f62a45

3103140421 has 4 divisors (see below), whose sum is σ = 3114343372. Its totient is φ = 3091937472.

The previous prime is 3103140353. The next prime is 3103140433. The reversal of 3103140421 is 1240413013.

3103140421 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1145077921 + 1958062500 = 33839^2 + 44250^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103140421 - 29 = 3103139909 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 (3103141421) 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, 5601060 + ... + 5601613.

It is an arithmetic number, because the mean of its divisors is an integer number (778585843).

Almost surely, 23103140421 is an apocalyptic number.

It is an amenable number.

3103140421 is a deficient number, since it is larger than the sum of its proper divisors (11202951).

3103140421 is a wasteful number, since it uses less digits than its factorization.

3103140421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11202950.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3103140421 is about 55705.8383026411. The cubic root of 3103140421 is about 1458.5919403051.

Adding to 3103140421 its reverse (1240413013), we get a palindrome (4343553434).

The spelling of 3103140421 in words is "three billion, one hundred three million, one hundred forty thousand, four hundred twenty-one".

Divisors: 1 277 11202673 3103140421