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1312232299 = 72101265151
BaseRepresentation
bin100111000110111…
…0001001101101011
310101110012022022021
41032031301031223
510141412413144
6334113405311
744342535100
oct11615611553
93343168267
101312232299
116137a2604
12307569837
1317bb2b921
14c63c6aa7
157a309884
hex4e37136b

1312232299 has 12 divisors (see below), whose sum is σ = 1541593728. Its totient is φ = 1113630000.

The previous prime is 1312232297. The next prime is 1312232357. The reversal of 1312232299 is 9922322131.

It is not a de Polignac number, because 1312232299 - 21 = 1312232297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312232297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127627 + ... + 137524.

It is an arithmetic number, because the mean of its divisors is an integer number (128466144).

Almost surely, 21312232299 is an apocalyptic number.

1312232299 is a deficient number, since it is larger than the sum of its proper divisors (229361429).

1312232299 is a wasteful number, since it uses less digits than its factorization.

1312232299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265266 (or 265259 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 1312232299 is about 36224.7470522570. The cubic root of 1312232299 is about 1094.8053417103.

The spelling of 1312232299 in words is "one billion, three hundred twelve million, two hundred thirty-two thousand, two hundred ninety-nine".

Divisors: 1 7 49 101 707 4949 265151 1856057 12992399 26780251 187461757 1312232299