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1242710966 = 27259134259
BaseRepresentation
bin100101000010010…
…0100001110110110
310012121101020222002
41022010210032312
510021113222331
6323151335302
742536604020
oct11204441666
93177336862
101242710966
11588529162
122a8221532
1316a5c9c43
14bb08b010
15741759cb
hex4a1243b6

1242710966 has 16 divisors (see below), whose sum is σ = 2131246080. Its totient is φ = 532369320.

The previous prime is 1242710951. The next prime is 1242711007. The reversal of 1242710966 is 6690172421.

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, 19145 + ... + 53403.

It is an arithmetic number, because the mean of its divisors is an integer number (133202880).

Almost surely, 21242710966 is an apocalyptic number.

1242710966 is a deficient number, since it is larger than the sum of its proper divisors (888535114).

1242710966 is a wasteful number, since it uses less digits than its factorization.

1242710966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36859.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1242710966 is about 35252.1058378078. The cubic root of 1242710966 is about 1075.1194288803.

The spelling of 1242710966 in words is "one billion, two hundred forty-two million, seven hundred ten thousand, nine hundred sixty-six".

Divisors: 1 2 7 14 2591 5182 18137 34259 36274 68518 239813 479626 88765069 177530138 621355483 1242710966