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1232001213 = 3439550397
BaseRepresentation
bin100100101101110…
…1101100010111101
310011212020010221120
41021123231202331
510010343014323
6322130021153
742346560162
oct11133554275
93155203846
101232001213
11582483823
122a47177b9
1316831a301
14b98a0069
157325c5e3
hex496ed8bd

1232001213 has 8 divisors (see below), whose sum is σ = 1680870048. Its totient is φ = 802233264.

The previous prime is 1232001193. The next prime is 1232001223. The reversal of 1232001213 is 3121002321.

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

It is not a de Polignac number, because 1232001213 - 25 = 1232001181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232001192 and 1232001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232001223) 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, 4775070 + ... + 4775327.

It is an arithmetic number, because the mean of its divisors is an integer number (210108756).

Almost surely, 21232001213 is an apocalyptic number.

It is an amenable number.

1232001213 is a deficient number, since it is larger than the sum of its proper divisors (448868835).

1232001213 is an equidigital number, since it uses as much as digits as its factorization.

1232001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9550443.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1232001213 is about 35099.8748288366. The cubic root of 1232001213 is about 1072.0220340226.

Adding to 1232001213 its reverse (3121002321), we get a palindrome (4353003534).

The spelling of 1232001213 in words is "one billion, two hundred thirty-two million, one thousand, two hundred thirteen".

Divisors: 1 3 43 129 9550397 28651191 410667071 1232001213