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112989513 = 371333179
BaseRepresentation
bin1101011110000…
…01010101001001
321212121110110210
412233001111021
5212411131023
615113431333
72541252330
oct657012511
9255543423
10112989513
115886376a
1231a0b549
131a541000
1411012d17
159dbd593
hex6bc1549

112989513 has 64 divisors (see below), whose sum is σ = 194969600. Its totient is φ = 56946240.

The previous prime is 112989511. The next prime is 112989529. The reversal of 112989513 is 315989211.

It is not a de Polignac number, because 112989513 - 21 = 112989511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (112989511) 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 63 ways as a sum of consecutive naturals, for example, 1430208 + ... + 1430286.

It is an arithmetic number, because the mean of its divisors is an integer number (3046400).

Almost surely, 2112989513 is an apocalyptic number.

112989513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

112989513 is a deficient number, since it is larger than the sum of its proper divisors (81980087).

112989513 is an equidigital number, since it uses as much as digits as its factorization.

112989513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 133 counting only the distinct ones).

The product of its digits is 19440, while the sum is 39.

The square root of 112989513 is about 10629.6525343023. The cubic root of 112989513 is about 483.4438564002.

The spelling of 112989513 in words is "one hundred twelve million, nine hundred eighty-nine thousand, five hundred thirteen".

Divisors: 1 3 7 13 21 31 39 79 91 93 169 217 237 273 403 507 553 651 1027 1183 1209 1659 2197 2449 2821 3081 3549 5239 6591 7189 7347 8463 13351 15379 15717 17143 21567 31837 36673 40053 46137 51429 68107 93457 95511 110019 173563 204321 222859 280371 413881 476749 520689 668577 1214941 1241643 1430247 2897167 3644823 5380453 8691501 16141359 37663171 112989513