Search a number
-
+
25552500255 = 3253737940493
BaseRepresentation
bin10111110011000011…
…000011011000011111
32102221210112111200100
4113303003003120133
5404312420002010
615423314432143
71563133445202
oct276303033037
972853474610
1025552500255
11a9227a1707
124b51592653
132542b40a49
1413458c7939
159e845b2c0
hex5f30c361f

25552500255 has 48 divisors (see below), whose sum is σ = 45609202080. Its totient is φ = 13224363264.

The previous prime is 25552500251. The next prime is 25552500257. The reversal of 25552500255 is 55200525552.

25552500255 is a `hidden beast` number, since 2 + 5 + 552 + 50 + 0 + 2 + 55 = 666.

It is not a de Polignac number, because 25552500255 - 22 = 25552500251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25552500251) 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 47 ways as a sum of consecutive naturals, for example, 610789 + ... + 651281.

It is an arithmetic number, because the mean of its divisors is an integer number (950191710).

Almost surely, 225552500255 is an apocalyptic number.

25552500255 is a deficient number, since it is larger than the sum of its proper divisors (20056701825).

25552500255 is a wasteful number, since it uses less digits than its factorization.

25552500255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40920 (or 40917 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 36.

The spelling of 25552500255 in words is "twenty-five billion, five hundred fifty-two million, five hundred thousand, two hundred fifty-five".

Divisors: 1 3 5 9 15 37 45 111 185 333 379 555 1137 1665 1895 3411 5685 14023 17055 40493 42069 70115 121479 126207 202465 210345 364437 607395 631035 1498241 1822185 4494723 7491205 13484169 15346847 22473615 46040541 67420845 76734235 138121623 230202705 567833339 690608115 1703500017 2839166695 5110500051 8517500085 25552500255