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1242050120 = 235228113613
BaseRepresentation
bin100101000001000…
…0010111001001000
310012120010200110022
41022002002321020
510020431100440
6323125240012
742531152243
oct11202027110
93176120408
101242050120
11588117703
122a7b63008
1316a4281cc
14bad5825a
1574094cb5
hex4a082e48

1242050120 has 32 divisors (see below), whose sum is σ = 2796043320. Its totient is φ = 496565760.

The previous prime is 1242050119. The next prime is 1242050129. The reversal of 1242050120 is 210502421.

It can be written as a sum of positive squares in 4 ways, for example, as 603881476 + 638168644 = 24574^2 + 25262^2 .

It is not an unprimeable number, because it can be changed into a prime (1242050129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84434 + ... + 98046.

Almost surely, 21242050120 is an apocalyptic number.

1242050120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242050120 is an abundant number, since it is smaller than the sum of its proper divisors (1553993200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242050120 is a wasteful number, since it uses less digits than its factorization.

1242050120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15905 (or 15901 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1242050120 is about 35242.7314491939. The cubic root of 1242050120 is about 1074.9288202374.

Adding to 1242050120 its reverse (210502421), we get a palindrome (1452552541).

The spelling of 1242050120 in words is "one billion, two hundred forty-two million, fifty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 2281 4562 9124 11405 13613 18248 22810 27226 45620 54452 68065 91240 108904 136130 272260 544520 31051253 62102506 124205012 155256265 248410024 310512530 621025060 1242050120