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2012242457 = 31587110581
BaseRepresentation
bin111011111110000…
…0110001000011001
312012020101111201102
41313330012020121
513110113224312
6531401201145
7100602531041
oct16774061031
95166344642
102012242457
119429495a5
12481a901b5
13260b72814
14151364721
15bb9ceec2
hex77f06219

2012242457 has 8 divisors (see below), whose sum is σ = 2080710912. Its totient is φ = 1943996400.

The previous prime is 2012242439. The next prime is 2012242499. The reversal of 2012242457 is 7542422102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012242457 - 28 = 2012242201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012242957) 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, 37094 + ... + 73487.

It is an arithmetic number, because the mean of its divisors is an integer number (260088864).

Almost surely, 22012242457 is an apocalyptic number.

It is an amenable number.

2012242457 is a deficient number, since it is larger than the sum of its proper divisors (68468455).

2012242457 is a wasteful number, since it uses less digits than its factorization.

2012242457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111199.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 2012242457 is about 44858.0255584215. The cubic root of 2012242457 is about 1262.4865771471.

Adding to 2012242457 its reverse (7542422102), we get a palindrome (9554664559).

The spelling of 2012242457 in words is "two billion, twelve million, two hundred forty-two thousand, four hundred fifty-seven".

Divisors: 1 31 587 18197 110581 3428011 64911047 2012242457