Search a number
-
+
2231122102001 = 13213201905929
BaseRepresentation
bin100000011101111001001…
…111011000011011110001
321220021220201212010101222
4200131321033120123301
5243023314224231001
64424544025434425
7320123166646232
oct40357117303361
97807821763358
102231122102001
11790239296941
123004a633ba15
13132517567400
1479db602d089
153d08382a61b
hex207793d86f1

2231122102001 has 6 divisors (see below), whose sum is σ = 2415948785190. Its totient is φ = 2059497324768.

The previous prime is 2231122101991. The next prime is 2231122102003. The reversal of 2231122102001 is 1002012211322.

It can be written as a sum of positive squares in 3 ways, for example, as 5595189601 + 2225526912400 = 74801^2 + 1491820^2 .

It is a de Polignac number, because none of the positive numbers 2k-2231122102001 is a prime.

It is a super-3 number, since 3×22311221020013 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231122102003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6600952796 + ... + 6600953133.

It is an arithmetic number, because the mean of its divisors is an integer number (402658130865).

Almost surely, 22231122102001 is an apocalyptic number.

It is an amenable number.

2231122102001 is a deficient number, since it is larger than the sum of its proper divisors (184826683189).

2231122102001 is a wasteful number, since it uses less digits than its factorization.

2231122102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13201905955 (or 13201905942 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2231122102001 its reverse (1002012211322), we get a palindrome (3233134313323).

The spelling of 2231122102001 in words is "two trillion, two hundred thirty-one billion, one hundred twenty-two million, one hundred two thousand, one".

Divisors: 1 13 169 13201905929 171624777077 2231122102001