Search a number
-
+
40115230253 = 771221336473
BaseRepresentation
bin100101010111000011…
…011101011000101101
310211112200212211200122
4211113003131120231
51124123444332003
630232332334325
72620043555030
oct452703353055
9124480784618
1040115230253
111601600225a
1279366143a5
133a23bc9447
141d27a05017
15109bb99238
hex9570dd62d

40115230253 has 16 divisors (see below), whose sum is σ = 46513979136. Its totient is φ = 33883946880.

The previous prime is 40115230249. The next prime is 40115230273. The reversal of 40115230253 is 35203251104.

It is a happy number.

It is not a de Polignac number, because 40115230253 - 22 = 40115230249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40115230213) 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 15 ways as a sum of consecutive naturals, for example, 1081625 + ... + 1118097.

It is an arithmetic number, because the mean of its divisors is an integer number (2907123696).

Almost surely, 240115230253 is an apocalyptic number.

It is an amenable number.

40115230253 is a deficient number, since it is larger than the sum of its proper divisors (6398748883).

40115230253 is a wasteful number, since it uses less digits than its factorization.

40115230253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38764.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 40115230253 its reverse (35203251104), we get a palindrome (75318481357).

The spelling of 40115230253 in words is "forty billion, one hundred fifteen million, two hundred thirty thousand, two hundred fifty-three".

Divisors: 1 7 71 497 2213 15491 36473 157123 255311 1099861 2589583 18127081 80714749 565003243 5730747179 40115230253