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15035312145 = 357220456207
BaseRepresentation
bin11100000000010110…
…01010100000010001
31102210211120222211210
432000023022200101
5221243014442040
610523534530333
71041406021200
oct160013124021
942724528753
1015035312145
116416050607
122ab73669a9
131557c60c09
14a28bb7237
155cee8c480
hex3802ca811

15035312145 has 24 divisors (see below), whose sum is σ = 27984092544. Its totient is φ = 6873285216.

The previous prime is 15035312113. The next prime is 15035312179. The reversal of 15035312145 is 54121353051.

It is not a de Polignac number, because 15035312145 - 25 = 15035312113 is a prime.

It is a super-2 number, since 2×150353121452 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10227369 + ... + 10228838.

It is an arithmetic number, because the mean of its divisors is an integer number (1166003856).

Almost surely, 215035312145 is an apocalyptic number.

15035312145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15035312145 is a deficient number, since it is larger than the sum of its proper divisors (12948780399).

15035312145 is a wasteful number, since it uses less digits than its factorization.

15035312145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20456229 (or 20456222 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 15035312145 its reverse (54121353051), we get a palindrome (69156665196).

The spelling of 15035312145 in words is "fifteen billion, thirty-five million, three hundred twelve thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 21 35 49 105 147 245 735 20456207 61368621 102281035 143193449 306843105 429580347 715967245 1002354143 2147901735 3007062429 5011770715 15035312145