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1315441113 = 37217526387
BaseRepresentation
bin100111001101000…
…0000100111011001
310101200020022222020
41032122000213121
510143223103423
6334310245053
744412031200
oct11632004731
93350208866
101315441113
11615594418
12308656789
1317c6b332c
14c69c0237
157a7404e3
hex4e6809d9

1315441113 has 24 divisors (see below), whose sum is σ = 2160296352. Its totient is φ = 707462784.

The previous prime is 1315441091. The next prime is 1315441121. The reversal of 1315441113 is 3111445131.

It is not a de Polignac number, because 1315441113 - 25 = 1315441081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1315441313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260695 + ... + 265692.

It is an arithmetic number, because the mean of its divisors is an integer number (90012348).

Almost surely, 21315441113 is an apocalyptic number.

It is an amenable number.

1315441113 is a deficient number, since it is larger than the sum of its proper divisors (844855239).

1315441113 is a wasteful number, since it uses less digits than its factorization.

1315441113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526421 (or 526414 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 1315441113 is about 36269.0103669786. The cubic root of 1315441113 is about 1095.6969945869.

Adding to 1315441113 its reverse (3111445131), we get a palindrome (4426886244).

The spelling of 1315441113 in words is "one billion, three hundred fifteen million, four hundred forty-one thousand, one hundred thirteen".

Divisors: 1 3 7 17 21 49 51 119 147 357 833 2499 526387 1579161 3684709 8948579 11054127 25792963 26845737 62640053 77378889 187920159 438480371 1315441113