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1153255345 = 51120968279
BaseRepresentation
bin100010010111101…
…0100011110110001
32222101001102220221
41010233110132301
54330213132340
6310234133041
740402336324
oct10457243661
92871042827
101153255345
11541a898a0
12282281181
13154c08a18
14ad2427bb
156b3a544a
hex44bd47b1

1153255345 has 8 divisors (see below), whose sum is σ = 1509716160. Its totient is φ = 838731120.

The previous prime is 1153255321. The next prime is 1153255349. The reversal of 1153255345 is 5435523511.

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

It is a de Polignac number, because none of the positive numbers 2k-1153255345 is a prime.

It is a super-3 number, since 3×11532553453 (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1153255345.

It is not an unprimeable number, because it can be changed into a prime (1153255349) 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, 10484085 + ... + 10484194.

It is an arithmetic number, because the mean of its divisors is an integer number (188714520).

Almost surely, 21153255345 is an apocalyptic number.

It is an amenable number.

1153255345 is a deficient number, since it is larger than the sum of its proper divisors (356460815).

1153255345 is a wasteful number, since it uses less digits than its factorization.

1153255345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20968295.

The product of its digits is 45000, while the sum is 34.

The square root of 1153255345 is about 33959.6134400850. The cubic root of 1153255345 is about 1048.6771989225.

Adding to 1153255345 its reverse (5435523511), we get a palindrome (6588778856).

The spelling of 1153255345 in words is "one billion, one hundred fifty-three million, two hundred fifty-five thousand, three hundred forty-five".

Divisors: 1 5 11 55 20968279 104841395 230651069 1153255345