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1200237313 = 11234744021
BaseRepresentation
bin100011110001010…
…0010101100000001
310002122110101001211
41013202202230001
54424230043223
6315033130121
741512564102
oct10742425401
93078411054
101200237313
11566559070
12295b59941
131618784c2
14b55923a9
1570585d0d
hex478a2b01

1200237313 has 8 divisors (see below), whose sum is σ = 1366278336. Its totient is φ = 1043684400.

The previous prime is 1200237307. The next prime is 1200237331. The reversal of 1200237313 is 3137320021.

It is a happy number.

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

It is not a de Polignac number, because 1200237313 - 29 = 1200236801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200237373) 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, 2371758 + ... + 2372263.

It is an arithmetic number, because the mean of its divisors is an integer number (170784792).

Almost surely, 21200237313 is an apocalyptic number.

It is an amenable number.

1200237313 is a deficient number, since it is larger than the sum of its proper divisors (166041023).

1200237313 is a wasteful number, since it uses less digits than its factorization.

1200237313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744055.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1200237313 is about 34644.4413001567. The cubic root of 1200237313 is about 1062.7286153134.

Adding to 1200237313 its reverse (3137320021), we get a palindrome (4337557334).

The spelling of 1200237313 in words is "one billion, two hundred million, two hundred thirty-seven thousand, three hundred thirteen".

Divisors: 1 11 23 253 4744021 52184231 109112483 1200237313