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1315451112 = 233229239347
BaseRepresentation
bin100111001101000…
…0011000011101000
310101200020211200120
41032122003003220
510143223413422
6334310403240
744412102303
oct11632030350
93350224616
101315451112
116155a0988
12308660520
1317c6b7a51
14c69c3b3a
157a74345c
hex4e6830e8

1315451112 has 32 divisors (see below), whose sum is σ = 3303002400. Its totient is φ = 436567104.

The previous prime is 1315451101. The next prime is 1315451113. The reversal of 1315451112 is 2111545131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1315451113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114178 + ... + 125169.

It is an arithmetic number, because the mean of its divisors is an integer number (103218825).

Almost surely, 21315451112 is an apocalyptic number.

1315451112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315451112 is an abundant number, since it is smaller than the sum of its proper divisors (1987551288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315451112 is a wasteful number, since it uses less digits than its factorization.

1315451112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239585 (or 239581 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

The square root of 1315451112 is about 36269.1482116688. The cubic root of 1315451112 is about 1095.6997708030.

Adding to 1315451112 its reverse (2111545131), we get a palindrome (3426996243).

The spelling of 1315451112 in words is "one billion, three hundred fifteen million, four hundred fifty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 229 458 687 916 1374 1832 2748 5496 239347 478694 718041 957388 1436082 1914776 2872164 5744328 54810463 109620926 164431389 219241852 328862778 438483704 657725556 1315451112