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1232313001 = 19233278363
BaseRepresentation
bin100100101110011…
…1001101010101001
310011212210222122021
41021130321222221
510010433004001
6322140424441
742352326163
oct11134715251
93155728567
101232313001
11582676aa7
122a4848121
131683c91ba
14b9941933
15732beba1
hex49739aa9

1232313001 has 8 divisors (see below), whose sum is σ = 1302743520. Its totient is φ = 1162439712.

The previous prime is 1232312989. The next prime is 1232313031. The reversal of 1232313001 is 1003132321.

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 1232313001 - 25 = 1232312969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232313031) 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, 134755 + ... + 143608.

It is an arithmetic number, because the mean of its divisors is an integer number (162842940).

Almost surely, 21232313001 is an apocalyptic number.

It is an amenable number.

1232313001 is a deficient number, since it is larger than the sum of its proper divisors (70430519).

1232313001 is a wasteful number, since it uses less digits than its factorization.

1232313001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278615.

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

The square root of 1232313001 is about 35104.3159882086. The cubic root of 1232313001 is about 1072.1124601819.

Adding to 1232313001 its reverse (1003132321), we get a palindrome (2235445322).

The spelling of 1232313001 in words is "one billion, two hundred thirty-two million, three hundred thirteen thousand, one".

Divisors: 1 19 233 4427 278363 5288897 64858579 1232313001