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13213212001 = 114969241739
BaseRepresentation
bin11000100111001000…
…11001110101100001
31021002211222201100021
430103210121311201
5204030040241001
610023044553441
7645302306653
oct142344316541
937084881307
1013213212001
115670571820
1226890b2881
131327603852
148d4bca6d3
1552501aba1
hex313919d61

13213212001 has 8 divisors (see below), whose sum is σ = 14417373600. Its totient is φ = 12009543840.

The previous prime is 13213211987. The next prime is 13213212007. The reversal of 13213212001 is 10021231231.

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 13213212001 - 29 = 13213211489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13213212007) 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, 66211 + ... + 175528.

It is an arithmetic number, because the mean of its divisors is an integer number (1802171700).

Almost surely, 213213212001 is an apocalyptic number.

13213212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13213212001 is a deficient number, since it is larger than the sum of its proper divisors (1204161599).

13213212001 is a wasteful number, since it uses less digits than its factorization.

13213212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246719.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13213212001 its reverse (10021231231), we get a palindrome (23234443232).

The spelling of 13213212001 in words is "thirteen billion, two hundred thirteen million, two hundred twelve thousand, one".

Divisors: 1 11 4969 54659 241739 2659129 1201201091 13213212001