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213230132121001 = 817992606757199
BaseRepresentation
bin110000011110111010000010…
…010001111100110110101001
31000221222121020112022121122211
4300132322002101330312221
5210422030302310333001
62033300323112045121
762625240310665412
oct6036720221746651
91027877215277584
10213230132121001
1161a3a433758786
121bab95179937a1
1391c9690b0a558
143a92571928809
15199b9121c1351
hexc1ee8247cda9

213230132121001 has 4 divisors (see below), whose sum is σ = 213232738960000. Its totient is φ = 213227525282004.

The previous prime is 213230132120959. The next prime is 213230132121029. The reversal of 213230132121001 is 100121231032312.

213230132121001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213230132121001 - 217 = 213230131989929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213230132121101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303296801 + ... + 1303460398.

It is an arithmetic number, because the mean of its divisors is an integer number (53308184740000).

Almost surely, 2213230132121001 is an apocalyptic number.

It is an amenable number.

213230132121001 is a deficient number, since it is larger than the sum of its proper divisors (2606838999).

213230132121001 is an equidigital number, since it uses as much as digits as its factorization.

213230132121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606838998.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 213230132121001 its reverse (100121231032312), we get a palindrome (313351363153313).

The spelling of 213230132121001 in words is "two hundred thirteen trillion, two hundred thirty billion, one hundred thirty-two million, one hundred twenty-one thousand, one".

Divisors: 1 81799 2606757199 213230132121001