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1242502202 = 2101260901
BaseRepresentation
bin100101000001111…
…0001010000111010
310012120222122121002
41022003301100322
510021040032302
6323143045002
742535044254
oct11203612072
93176878532
101242502202
115883a6327
122a8140762
1316a555c06
14bb034cd4
1574133c02
hex4a0f143a

1242502202 has 12 divisors (see below), whose sum is σ = 1882419918. Its totient is φ = 615090000.

The previous prime is 1242502147. The next prime is 1242502213. The reversal of 1242502202 is 2022052421.

It can be written as a sum of positive squares in 3 ways, for example, as 1195154041 + 47348161 = 34571^2 + 6881^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 10049 + ... + 50852.

Almost surely, 21242502202 is an apocalyptic number.

1242502202 is a deficient number, since it is larger than the sum of its proper divisors (639917716).

1242502202 is an equidigital number, since it uses as much as digits as its factorization.

1242502202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61105 (or 61004 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1242502202 is about 35249.1446988434. The cubic root of 1242502202 is about 1075.0592221205.

Adding to 1242502202 its reverse (2022052421), we get a palindrome (3264554623).

The spelling of 1242502202 in words is "one billion, two hundred forty-two million, five hundred two thousand, two hundred two".

Divisors: 1 2 101 202 10201 20402 60901 121802 6151001 12302002 621251101 1242502202