Search a number
312202013034121 = 729273726471871
BaseRepresentation
bin100011011111100100011001…
…0000101011100011010001001
31111221102012222002012002211021
41012333020302011130122021
5311410104210314042441
63023555342542432441
7122521564632115540
oct10677106205343211
91457365862162737
10312202013034121
11905281482a4891
122b022a12592721
13105286a61a2802
14571492d9c5157
1526161567dd3d1
hex11bf23215c689

312202013034121 has 24 divisors (see below), whose sum is σ = 374592144303104. Its totient is φ = 254834708446080.

The previous prime is 312202013034113. The next prime is 312202013034139. The reversal of 312202013034121 is 121430310202213.

It is not a de Polignac number, because 312202013034121 - 23 = 312202013034113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312202013034221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362806185 + ... + 363665686.

Almost surely, 2312202013034121 is an apocalyptic number.

It is an amenable number.

312202013034121 is a deficient number, since it is larger than the sum of its proper divisors (62390131268983).

312202013034121 is an equidigital number, since it uses as much as digits as its factorization.

312202013034121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726472009 (or 726471980 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 312202013034121 its reverse (121430310202213), we get a palindrome (433632323236334).

The spelling of 312202013034121 in words is "three hundred twelve trillion, two hundred two billion, thirteen million, thirty-four thousand, one hundred twenty-one".