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1249493006 = 23149940387
BaseRepresentation
bin100101001111001…
…1100000000001110
310020002010211011202
41022132130000032
510024332234011
6323552545502
742651341516
oct11236340016
93202124152
101249493006
11591340653
122aa552292
1316bb32b98
14bbd34846
1574a6523b
hex4a79c00e

1249493006 has 16 divisors (see below), whose sum is σ = 1938624000. Its totient is φ = 603366840.

The previous prime is 1249492969. The next prime is 1249493033. The reversal of 1249493006 is 6003949421.

It is a super-2 number, since 2×12494930062 = 3122465544085832072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 10745 + ... + 51131.

It is an arithmetic number, because the mean of its divisors is an integer number (121164000).

Almost surely, 21249493006 is an apocalyptic number.

1249493006 is a deficient number, since it is larger than the sum of its proper divisors (689130994).

1249493006 is a wasteful number, since it uses less digits than its factorization.

1249493006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40919.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1249493006 is about 35348.1683542443. The cubic root of 1249493006 is about 1077.0716872600.

The spelling of 1249493006 in words is "one billion, two hundred forty-nine million, four hundred ninety-three thousand, six".

Divisors: 1 2 31 62 499 998 15469 30938 40387 80774 1251997 2503994 20153113 40306226 624746503 1249493006