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1373010745 = 5274602149
BaseRepresentation
bin101000111010110…
…0111101100111001
310112200120011122211
41101311213230321
510302442320440
6344124215121
746011253531
oct12165475471
93480504584
101373010745
11645035327
1232399a4a1
1318b5bbcc2
14d04c84c1
1580812eea
hex51d67b39

1373010745 has 4 divisors (see below), whose sum is σ = 1647612900. Its totient is φ = 1098408592.

The previous prime is 1373010733. The next prime is 1373010773. The reversal of 1373010745 is 5470103731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5470103731 = 23237830597.

It can be written as a sum of positive squares in 2 ways, for example, as 1085504809 + 287505936 = 32947^2 + 16956^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373010745 - 219 = 1372486457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137301070 + ... + 137301079.

It is an arithmetic number, because the mean of its divisors is an integer number (411903225).

Almost surely, 21373010745 is an apocalyptic number.

It is an amenable number.

1373010745 is a deficient number, since it is larger than the sum of its proper divisors (274602155).

1373010745 is an equidigital number, since it uses as much as digits as its factorization.

1373010745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274602154.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 1373010745 is about 37054.1596180510. The cubic root of 1373010745 is about 1111.4535363504.

The spelling of 1373010745 in words is "one billion, three hundred seventy-three million, ten thousand, seven hundred forty-five".

Divisors: 1 5 274602149 1373010745