Search a number
-
+
1933434630401 = 2910911327719541
BaseRepresentation
bin11100001000101001101…
…011110011000100000001
320211211112101100201020212
4130020221223303010001
5223134133231133101
64040112502043505
7256454212125101
oct34105153630401
96754471321225
101933434630401
11685a6849843a
12272867419595
13110425879301
146981609b201
153545e1b51bb
hex1c229af3101

1933434630401 has 32 divisors (see below), whose sum is σ = 2043772711200. Its totient is φ = 1826557931520.

The previous prime is 1933434630383. The next prime is 1933434630403. The reversal of 1933434630401 is 1040364343391.

It is a happy number.

It is a Cunningham number, because it is equal to 13904802+1.

It can be written as a sum of positive squares in 16 ways, for example, as 1216000220176 + 717434410225 = 1102724^2 + 847015^2 .

It is a cyclic number.

It is not a de Polignac number, because 1933434630401 - 214 = 1933434614017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1933434630403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98932691 + ... + 98952231.

It is an arithmetic number, because the mean of its divisors is an integer number (63867897225).

Almost surely, 21933434630401 is an apocalyptic number.

It is an amenable number.

1933434630401 is a deficient number, since it is larger than the sum of its proper divisors (110338080799).

1933434630401 is a wasteful number, since it uses less digits than its factorization.

1933434630401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20069.

The product of its (nonzero) digits is 279936, while the sum is 41.

Adding to 1933434630401 its reverse (1040364343391), we get a palindrome (2973798973792).

The spelling of 1933434630401 in words is "one trillion, nine hundred thirty-three billion, four hundred thirty-four million, six hundred thirty thousand, four hundred one".

Divisors: 1 29 109 113 277 3161 3277 8033 12317 19541 30193 31301 357193 566689 875597 907729 2129969 2208133 3411809 5412857 61769101 64035857 98942461 156972853 240686497 590001413 611652841 6979908413 17110040977 17737932389 66670159669 1933434630401