Search a number
-
+
421750834213 = 1945259490453
BaseRepresentation
bin1100010001100100100…
…11110000010000100101
31111022121112121020021011
412020302103300100211
523402221203143323
6521425532022221
742320243640562
oct6106223602045
91438545536234
10421750834213
11152955395045
12698a3601971
1330a03980547
14165acc03869
15ae8620a20d
hex62324f0425

421750834213 has 8 divisors (see below), whose sum is σ = 443958960800. Its totient is φ = 399543779088.

The previous prime is 421750834207. The next prime is 421750834243. The reversal of 421750834213 is 312438057124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421750834213 - 25 = 421750834181 is a prime.

It is a super-2 number, since 2×4217508342132 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421750834243) 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, 614695 + ... + 1105147.

It is an arithmetic number, because the mean of its divisors is an integer number (55494870100).

Almost surely, 2421750834213 is an apocalyptic number.

It is an amenable number.

421750834213 is a deficient number, since it is larger than the sum of its proper divisors (22208126587).

421750834213 is a wasteful number, since it uses less digits than its factorization.

421750834213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535731.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 421750834213 in words is "four hundred twenty-one billion, seven hundred fifty million, eight hundred thirty-four thousand, two hundred thirteen".

Divisors: 1 19 45259 490453 859921 9318607 22197412327 421750834213