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1353073109 = 1607841987
BaseRepresentation
bin101000010100110…
…0100000111010101
310111022001020100212
41100221210013111
510232341314414
6342133015205
745346634363
oct12051440725
93438036325
101353073109
11634857943
12319184505
1318742b09b
14cb9b8633
157dbc583e
hex50a641d5

1353073109 has 4 divisors (see below), whose sum is σ = 1353916704. Its totient is φ = 1352229516.

The previous prime is 1353073067. The next prime is 1353073123. The reversal of 1353073109 is 9013703531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1353073109 - 212 = 1353069013 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 (1353079109) 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, 419387 + ... + 422600.

It is an arithmetic number, because the mean of its divisors is an integer number (338479176).

Almost surely, 21353073109 is an apocalyptic number.

It is an amenable number.

1353073109 is a deficient number, since it is larger than the sum of its proper divisors (843595).

1353073109 is an equidigital number, since it uses as much as digits as its factorization.

1353073109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843594.

The product of its (nonzero) digits is 8505, while the sum is 32.

The square root of 1353073109 is about 36784.1420859587. The cubic root of 1353073109 is about 1106.0474385245.

The spelling of 1353073109 in words is "one billion, three hundred fifty-three million, seventy-three thousand, one hundred nine".

Divisors: 1 1607 841987 1353073109