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1128950242 = 2780639303
BaseRepresentation
bin100001101001010…
…0110100111100010
32220200022121120221
41003102212213202
54303002401432
6304005153254
736655630060
oct10322464742
92820277527
101128950242
1152a299032
122760bb82a
1314cb78bc4
14a9d17030
15691a3b97
hex434a69e2

1128950242 has 8 divisors (see below), whose sum is σ = 1935343296. Its totient is φ = 483835812.

The previous prime is 1128950237. The next prime is 1128950257. The reversal of 1128950242 is 2420598211.

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

It is a junction number, because it is equal to n+sod(n) for n = 1128950198 and 1128950207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40319638 + ... + 40319665.

It is an arithmetic number, because the mean of its divisors is an integer number (241917912).

Almost surely, 21128950242 is an apocalyptic number.

1128950242 is a deficient number, since it is larger than the sum of its proper divisors (806393054).

1128950242 is an equidigital number, since it uses as much as digits as its factorization.

1128950242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80639312.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1128950242 is about 33599.8547913529. The cubic root of 1128950242 is about 1041.2577983215.

The spelling of 1128950242 in words is "one billion, one hundred twenty-eight million, nine hundred fifty thousand, two hundred forty-two".

Divisors: 1 2 7 14 80639303 161278606 564475121 1128950242