Search a number
-
+
420121341201 = 3140040447067
BaseRepresentation
bin1100001110100010010…
…11101110110100010001
31111011101222102102002010
412013101023232310101
523340402030404301
6521000122213133
742231666323232
oct6072113566421
91434358372063
10420121341201
111521995a9901
12695099541a9
13308041bc4b3
1416496633089
15addd1325d6
hex61d12eed11

420121341201 has 4 divisors (see below), whose sum is σ = 560161788272. Its totient is φ = 280080894132.

The previous prime is 420121341169. The next prime is 420121341223. The reversal of 420121341201 is 102143121024.

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 not a de Polignac number, because 420121341201 - 25 = 420121341169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420121341271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70020223531 + ... + 70020223536.

It is an arithmetic number, because the mean of its divisors is an integer number (140040447068).

Almost surely, 2420121341201 is an apocalyptic number.

It is an amenable number.

420121341201 is a deficient number, since it is larger than the sum of its proper divisors (140040447071).

420121341201 is a wasteful number, since it uses less digits than its factorization.

420121341201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140040447070.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 420121341201 its reverse (102143121024), we get a palindrome (522264462225).

The spelling of 420121341201 in words is "four hundred twenty billion, one hundred twenty-one million, three hundred forty-one thousand, two hundred one".

Divisors: 1 3 140040447067 420121341201