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1148462993 = 10785312583
BaseRepresentation
bin100010001110100…
…0010011110010001
32222001000222001102
41010131002132101
54323001303433
6305543314145
740313526416
oct10435023621
92861028042
101148462993
1153a306277
1228074b955
13153c1b602
14ac75610d
156ac5a4e8
hex44742791

1148462993 has 8 divisors (see below), whose sum is σ = 1160647488. Its totient is φ = 1136305584.

The previous prime is 1148462969. The next prime is 1148463011. The reversal of 1148462993 is 3992648411.

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

It is a cyclic number.

It is not a de Polignac number, because 1148462993 - 26 = 1148462929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148462893) 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, 84980 + ... + 97562.

It is an arithmetic number, because the mean of its divisors is an integer number (145080936).

Almost surely, 21148462993 is an apocalyptic number.

It is an amenable number.

1148462993 is a deficient number, since it is larger than the sum of its proper divisors (12184495).

1148462993 is a wasteful number, since it uses less digits than its factorization.

1148462993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13543.

The product of its digits is 373248, while the sum is 47.

The square root of 1148462993 is about 33888.9804066160. The cubic root of 1148462993 is about 1047.2225896596. Note that the first 3 decimals are identical.

The spelling of 1148462993 in words is "one billion, one hundred forty-eight million, four hundred sixty-two thousand, nine hundred ninety-three".

Divisors: 1 107 853 12583 91271 1346381 10733299 1148462993