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1242707675 = 52117163647
BaseRepresentation
bin100101000010010…
…0011011011011011
310012121101002110012
41022010203123123
510021113121200
6323151312135
742536561306
oct11204433333
93177332405
101242707675
11588526740
122a821b64b
1316a5c85b1
14bb089b3d
1574174a35
hex4a1236db

1242707675 has 24 divisors (see below), whose sum is σ = 1704748032. Its totient is φ = 891044000.

The previous prime is 1242707671. The next prime is 1242707707. The reversal of 1242707675 is 5767072421.

It is not a de Polignac number, because 1242707675 - 22 = 1242707671 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242707671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12299 + ... + 51348.

It is an arithmetic number, because the mean of its divisors is an integer number (71031168).

Almost surely, 21242707675 is an apocalyptic number.

1242707675 is a deficient number, since it is larger than the sum of its proper divisors (462040357).

1242707675 is a wasteful number, since it uses less digits than its factorization.

1242707675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63739 (or 63734 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 1242707675 is about 35252.0591597143. The cubic root of 1242707675 is about 1075.1184798204.

The spelling of 1242707675 in words is "one billion, two hundred forty-two million, seven hundred seven thousand, six hundred seventy-five".

Divisors: 1 5 11 25 55 71 275 355 781 1775 3905 19525 63647 318235 700117 1591175 3500585 4518937 17502925 22594685 49708307 112973425 248541535 1242707675