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1370485903 = 1972130837
BaseRepresentation
bin101000110101111…
…1111010010001111
310112111210220020011
41101223333102033
510301321022103
6343554134051
745650636503
oct12153772217
93474726204
101370485903
11643670386
12322b81327
1318ac16a07
14d002c303
15804b4d6d
hex51aff48f

1370485903 has 4 divisors (see below), whose sum is σ = 1442616760. Its totient is φ = 1298355048.

The previous prime is 1370485901. The next prime is 1370485943. The reversal of 1370485903 is 3095840731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3095840731 = 4397052029.

It is a cyclic number.

It is not a de Polignac number, because 1370485903 - 21 = 1370485901 is a prime.

It is a super-2 number, since 2×13704859032 = 3756463220643450818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1370485901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36065400 + ... + 36065437.

It is an arithmetic number, because the mean of its divisors is an integer number (360654190).

Almost surely, 21370485903 is an apocalyptic number.

1370485903 is a deficient number, since it is larger than the sum of its proper divisors (72130857).

1370485903 is an equidigital number, since it uses as much as digits as its factorization.

1370485903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72130856.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1370485903 is about 37020.0743246147. The cubic root of 1370485903 is about 1110.7718309614.

The spelling of 1370485903 in words is "one billion, three hundred seventy million, four hundred eighty-five thousand, nine hundred three".

Divisors: 1 19 72130837 1370485903