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1353121145 = 51456318583
BaseRepresentation
bin101000010100110…
…1111110101111001
310111022010200020222
41100221233311321
510232344334040
6342134025425
745350224415
oct12051576571
93438120228
101353121145
1163488aa42
123191a8275
13187446bcc
14cb9cbd45
157dbd4bb5
hex50a6fd79

1353121145 has 8 divisors (see below), whose sum is σ = 1623944256. Its totient is φ = 1082364336.

The previous prime is 1353121141. The next prime is 1353121181. The reversal of 1353121145 is 5411213531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1353121145 - 22 = 1353121141 is a prime.

It is a super-2 number, since 2×13531211452 = 3661873666092222050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353121141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63524 + ... + 82106.

It is an arithmetic number, because the mean of its divisors is an integer number (202993032).

Almost surely, 21353121145 is an apocalyptic number.

It is an amenable number.

1353121145 is a deficient number, since it is larger than the sum of its proper divisors (270823111).

1353121145 is a wasteful number, since it uses less digits than its factorization.

1353121145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33151.

The product of its digits is 1800, while the sum is 26.

The square root of 1353121145 is about 36784.7950245750. The cubic root of 1353121145 is about 1106.0605271166.

Adding to 1353121145 its reverse (5411213531), we get a palindrome (6764334676).

The spelling of 1353121145 in words is "one billion, three hundred fifty-three million, one hundred twenty-one thousand, one hundred forty-five".

Divisors: 1 5 14563 18583 72815 92915 270624229 1353121145