Search a number
-
+
939920212201 = 5891315954377
BaseRepresentation
bin11011010110101111001…
…11000100000011101001
310022212002122200222110011
431223113213010003221
5110344424033242301
61555443212051521
7124623045660565
oct15532747040351
93285078628404
10939920212201
11332688502103
121321b5463ba1
136a832153a49
14336c71446a5
15196b2002a51
hexdad79c40e9

939920212201 has 4 divisors (see below), whose sum is σ = 939936225492. Its totient is φ = 939904198912.

The previous prime is 939920212183. The next prime is 939920212211. The reversal of 939920212201 is 102212029939.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 792498770176 + 147421442025 = 890224^2 + 383955^2 .

It is a cyclic number.

It is not a de Polignac number, because 939920212201 - 27 = 939920212073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (939920212211) 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, 7918276 + ... + 8036101.

It is an arithmetic number, because the mean of its divisors is an integer number (234984056373).

Almost surely, 2939920212201 is an apocalyptic number.

It is an amenable number.

939920212201 is a deficient number, since it is larger than the sum of its proper divisors (16013291).

939920212201 is a wasteful number, since it uses less digits than its factorization.

939920212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16013290.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 939920212201 in words is "nine hundred thirty-nine billion, nine hundred twenty million, two hundred twelve thousand, two hundred one".

Divisors: 1 58913 15954377 939920212201