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1042130999 = 71331369419
BaseRepresentation
bin111110000111011…
…010100000110111
32200121221201222102
4332013122200313
54113241142444
6251224252315
734552652540
oct7607324067
92617851872
101042130999
1149528a498
1225101109b
13137b9b980
149c5974c7
156175484e
hex3e1da837

1042130999 has 16 divisors (see below), whose sum is σ = 1324001280. Its totient is φ = 797942880.

The previous prime is 1042130951. The next prime is 1042131001. The reversal of 1042130999 is 9990312401.

It is a de Polignac number, because none of the positive numbers 2k-1042130999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042130909) 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 15 ways as a sum of consecutive naturals, for example, 181889 + ... + 187530.

It is an arithmetic number, because the mean of its divisors is an integer number (82750080).

Almost surely, 21042130999 is an apocalyptic number.

1042130999 is a deficient number, since it is larger than the sum of its proper divisors (281870281).

1042130999 is a wasteful number, since it uses less digits than its factorization.

1042130999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369470.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1042130999 is about 32282.0538225188. The cubic root of 1042130999 is about 1013.8509322498.

The spelling of 1042130999 in words is "one billion, forty-two million, one hundred thirty thousand, nine hundred ninety-nine".

Divisors: 1 7 13 31 91 217 403 2821 369419 2585933 4802447 11451989 33617129 80163923 148875857 1042130999