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3103532141 = 10130728041
BaseRepresentation
bin1011100011111100…
…0010010001101101
322000021211202201212
42320333002101231
522324001012031
61231543244205
7136623405443
oct27077022155
98007752655
103103532141
1113529546a6
12727449665
133a5c93968
14216276b93
151326e512b
hexb8fc246d

3103532141 has 4 divisors (see below), whose sum is σ = 3134260284. Its totient is φ = 3072804000.

The previous prime is 3103532137. The next prime is 3103532149. The reversal of 3103532141 is 1412353013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1412353013 = 1783079589.

It can be written as a sum of positive squares in 2 ways, for example, as 2545202500 + 558329641 = 50450^2 + 23629^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103532141 - 22 = 3103532137 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 (3103532149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15363920 + ... + 15364121.

It is an arithmetic number, because the mean of its divisors is an integer number (783565071).

Almost surely, 23103532141 is an apocalyptic number.

It is an amenable number.

3103532141 is a deficient number, since it is larger than the sum of its proper divisors (30728143).

3103532141 is a wasteful number, since it uses less digits than its factorization.

3103532141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30728142.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3103532141 is about 55709.3541606793. The cubic root of 3103532141 is about 1458.6533120681.

Adding to 3103532141 its reverse (1412353013), we get a palindrome (4515885154).

The spelling of 3103532141 in words is "three billion, one hundred three million, five hundred thirty-two thousand, one hundred forty-one".

Divisors: 1 101 30728041 3103532141