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1353123145 = 51124602239
BaseRepresentation
bin101000010100111…
…0000010101001001
310111022010210000001
41100221300111021
510232344420040
6342134043001
745350233303
oct12051602511
93438123001
101353123145
116348914a0
123191a9461
13187447aaa
14cb9cc973
157dbd559a
hex50a70549

1353123145 has 8 divisors (see below), whose sum is σ = 1771361280. Its totient is φ = 984089520.

The previous prime is 1353123103. The next prime is 1353123157. The reversal of 1353123145 is 5413213531.

It is a happy number.

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

It is not a de Polignac number, because 1353123145 - 27 = 1353123017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12301065 + ... + 12301174.

It is an arithmetic number, because the mean of its divisors is an integer number (221420160).

Almost surely, 21353123145 is an apocalyptic number.

It is an amenable number.

1353123145 is a deficient number, since it is larger than the sum of its proper divisors (418238135).

1353123145 is a wasteful number, since it uses less digits than its factorization.

1353123145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24602255.

The product of its digits is 5400, while the sum is 28.

The square root of 1353123145 is about 36784.8222097104. The cubic root of 1353123145 is about 1106.0610720592.

Adding to 1353123145 its reverse (5413213531), we get a palindrome (6766336676).

The spelling of 1353123145 in words is "one billion, three hundred fifty-three million, one hundred twenty-three thousand, one hundred forty-five".

Divisors: 1 5 11 55 24602239 123011195 270624629 1353123145