Search a number
-
+
210020231223001 = 479943763332199
BaseRepresentation
bin101111110000001100100101…
…010001110001011011011001
31000112121201221000110220222101
4233300030211101301123121
5210011432413143114001
62022401543503523401
762144314054354423
oct5760144521613331
91015551830426871
10210020231223001
1160a12097344681
121b67b3b25b9561
139025a9098bb74
1439c1067a27813
1519431951c3a01
hexbf03254716d9

210020231223001 has 4 divisors (see below), whose sum is σ = 210063994560000. Its totient is φ = 209976467886004.

The previous prime is 210020231222981. The next prime is 210020231223007. The reversal of 210020231223001 is 100322132020012.

210020231223001 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 210020231223001 - 217 = 210020231091929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210020231223001.

It is not an unprimeable number, because it can be changed into a prime (210020231223007) 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, 21881661301 + ... + 21881670898.

It is an arithmetic number, because the mean of its divisors is an integer number (52515998640000).

Almost surely, 2210020231223001 is an apocalyptic number.

It is an amenable number.

210020231223001 is a deficient number, since it is larger than the sum of its proper divisors (43763336999).

210020231223001 is an equidigital number, since it uses as much as digits as its factorization.

210020231223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43763336998.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 210020231223001 its reverse (100322132020012), we get a palindrome (310342363243013).

The spelling of 210020231223001 in words is "two hundred ten trillion, twenty billion, two hundred thirty-one million, two hundred twenty-three thousand, one".

Divisors: 1 4799 43763332199 210020231223001