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1314052991 = 86311091373
BaseRepresentation
bin100111001010010…
…1101101101111111
310101120121210211022
41032110231231333
510142344143431
6334220414355
744364160166
oct11624555577
93346553738
101314052991
11614826509
123080a73bb
1317c318564
14c673c3dd
157a56907b
hex4e52db7f

1314052991 has 8 divisors (see below), whose sum is σ = 1317720960. Its totient is φ = 1310391712.

The previous prime is 1314052981. The next prime is 1314053003. The reversal of 1314052991 is 1992504131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1314052991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314052921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956381 + ... + 957753.

It is an arithmetic number, because the mean of its divisors is an integer number (164715120).

Almost surely, 21314052991 is an apocalyptic number.

1314052991 is a deficient number, since it is larger than the sum of its proper divisors (3667969).

1314052991 is a wasteful number, since it uses less digits than its factorization.

1314052991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1314052991 is about 36249.8688411420. The cubic root of 1314052991 is about 1095.3114467527.

The spelling of 1314052991 in words is "one billion, three hundred fourteen million, fifty-two thousand, nine hundred ninety-one".

Divisors: 1 863 1109 1373 957067 1184899 1522657 1314052991