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131133202 = 2278923509
BaseRepresentation
bin1111101000011…
…10111100010010
3100010202020221021
413310032330102
5232032230302
621002350054
73151420354
oct764167422
9303666837
10131133202
1168026352
1237abb32a
1321224515
14135b70d4
15b7a4437
hex7d0ef12

131133202 has 8 divisors (see below), whose sum is σ = 196778700. Its totient is φ = 65540304.

The previous prime is 131133199. The next prime is 131133203. The reversal of 131133202 is 202331131.

It can be written as a sum of positive squares in 2 ways, for example, as 111957561 + 19175641 = 10581^2 + 4379^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131133203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6177 + ... + 17332.

Almost surely, 2131133202 is an apocalyptic number.

131133202 is a deficient number, since it is larger than the sum of its proper divisors (65645498).

131133202 is a wasteful number, since it uses less digits than its factorization.

131133202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26300.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131133202 is about 11451.3406202069. The cubic root of 131133202 is about 508.0473869243.

Adding to 131133202 its reverse (202331131), we get a palindrome (333464333).

The spelling of 131133202 in words is "one hundred thirty-one million, one hundred thirty-three thousand, two hundred two".

Divisors: 1 2 2789 5578 23509 47018 65566601 131133202