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1372145041 = 6122494181
BaseRepresentation
bin101000111001001…
…0100010110010001
310112121221012010201
41101302110112101
510302232120131
6344053455201
746001016601
oct12162242621
93477835121
101372145041
116445a3973
12323641501
1318b377c57
14d0340c01
15806e1761
hex51c94591

1372145041 has 4 divisors (see below), whose sum is σ = 1394639284. Its totient is φ = 1349650800.

The previous prime is 1372144967. The next prime is 1372145051. The reversal of 1372145041 is 1405412731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1405412731 = 4332684017.

It can be written as a sum of positive squares in 2 ways, for example, as 72182016 + 1299963025 = 8496^2 + 36055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372145041 - 27 = 1372144913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372145051) 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 3 ways as a sum of consecutive naturals, for example, 11247030 + ... + 11247151.

It is an arithmetic number, because the mean of its divisors is an integer number (348659821).

Almost surely, 21372145041 is an apocalyptic number.

It is an amenable number.

1372145041 is a deficient number, since it is larger than the sum of its proper divisors (22494243).

1372145041 is an equidigital number, since it uses as much as digits as its factorization.

1372145041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22494242.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1372145041 is about 37042.4761726319. The cubic root of 1372145041 is about 1111.2198911606.

Adding to 1372145041 its reverse (1405412731), we get a palindrome (2777557772).

The spelling of 1372145041 in words is "one billion, three hundred seventy-two million, one hundred forty-five thousand, forty-one".

Divisors: 1 61 22494181 1372145041