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1374755213 = 13105750401
BaseRepresentation
bin101000111110001…
…0001100110001101
310112210211210121202
41101330101212031
510303414131323
6344225435245
746032140456
oct12174214615
93483753552
101374755213
11646016a37
1232449bb25
1318ba80030
14d082012d
1580a59d28
hex51f1198d

1374755213 has 4 divisors (see below), whose sum is σ = 1480505628. Its totient is φ = 1269004800.

The previous prime is 1374755119. The next prime is 1374755227. The reversal of 1374755213 is 3125574731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3125574731 = 29107778439.

It can be written as a sum of positive squares in 2 ways, for example, as 784168009 + 590587204 = 28003^2 + 24302^2 .

It is a cyclic number.

It is not a de Polignac number, because 1374755213 - 224 = 1357977997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374755293) 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, 52875188 + ... + 52875213.

It is an arithmetic number, because the mean of its divisors is an integer number (370126407).

Almost surely, 21374755213 is an apocalyptic number.

1374755213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1374755213 is a deficient number, since it is larger than the sum of its proper divisors (105750415).

1374755213 is a wasteful number, since it uses less digits than its factorization.

1374755213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105750414.

The product of its digits is 88200, while the sum is 38.

The square root of 1374755213 is about 37077.6915813269. The cubic root of 1374755213 is about 1111.9240533182.

The spelling of 1374755213 in words is "one billion, three hundred seventy-four million, seven hundred fifty-five thousand, two hundred thirteen".

Divisors: 1 13 105750401 1374755213