Search a number
-
+
2330111212021 = 17413343057693
BaseRepresentation
bin100001111010000101011…
…100110111100111110101
322020202102110022221022001
4201322011130313213311
5301134031432241041
64542234401535301
7330226220336515
oct41720534674765
98222373287261
102330111212021
1181921604037a
12317711644531
1313b9617c5ca8
1480ac6b09845
1540928e32131
hex21e857379f5

2330111212021 has 8 divisors (see below), whose sum is σ = 2527351616664. Its totient is φ = 2139556922880.

The previous prime is 2330111211947. The next prime is 2330111212027. The reversal of 2330111212021 is 1202121110332.

It can be written as a sum of positive squares in 4 ways, for example, as 684407089521 + 1645704122500 = 827289^2 + 1282850^2 .

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 2330111212021 - 29 = 2330111211509 is a prime.

It is a super-2 number, since 2×23301112120212 (a number of 26 digits) contains 22 as substring.

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 2330111212021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2330111212027) 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, 1671528150 + ... + 1671529543.

It is an arithmetic number, because the mean of its divisors is an integer number (315918952083).

Almost surely, 22330111212021 is an apocalyptic number.

It is an amenable number.

2330111212021 is a deficient number, since it is larger than the sum of its proper divisors (197240404643).

2330111212021 is a wasteful number, since it uses less digits than its factorization.

2330111212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343057751.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2330111212021 its reverse (1202121110332), we get a palindrome (3532232322353).

The spelling of 2330111212021 in words is "two trillion, three hundred thirty billion, one hundred eleven million, two hundred twelve thousand, twenty-one".

Divisors: 1 17 41 697 3343057693 56831980781 137065365413 2330111212021