Search a number
-
+
210122021212001 = 4723891871360947
BaseRepresentation
bin101111110001101011011000…
…011011110000111101100001
31000112222110122221022010111222
4233301223120123300331201
5210020114344412241001
62022520420212344425
762154546365113643
oct5761533033607541
91015873587263458
10210122021212001
1160a51281116a28
121b69707b915115
139032563294aa2
1439c5d626b6893
151945b5163a61b
hexbf1ad86f0f61

210122021212001 has 8 divisors (see below), whose sum is σ = 214682527954560. Its totient is φ = 205565257196208.

The previous prime is 210122021211997. The next prime is 210122021212009. The reversal of 210122021212001 is 100212120221012.

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 210122021212001 - 22 = 210122021211997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210122021212009) 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, 935568191 + ... + 935792756.

It is an arithmetic number, because the mean of its divisors is an integer number (26835315994320).

Almost surely, 2210122021212001 is an apocalyptic number.

It is an amenable number.

210122021212001 is a deficient number, since it is larger than the sum of its proper divisors (4560506742559).

210122021212001 is a wasteful number, since it uses less digits than its factorization.

210122021212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871363383.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210122021212001 its reverse (100212120221012), we get a palindrome (310334141433013).

The spelling of 210122021212001 in words is "two hundred ten trillion, one hundred twenty-two billion, twenty-one million, two hundred twelve thousand, one".

Divisors: 1 47 2389 112283 1871360947 87953964509 4470681302383 210122021212001