Search a number
-
+
255440315312104 = 231317149969663197
BaseRepresentation
bin111010000101001001010101…
…010000010110011111101000
31020111102212002202211212111211
4322011021111100112133220
5231440113231204441404
62303135354424402504
7104542645066145146
oct7205112520263750
91214385082755454
10255440315312104
11744336a1750a4a
1224796064916434
13ac6bbc28961c0
14471153d182596
151e7e8c7336b04
hexe852554167e8

255440315312104 has 64 divisors (see below), whose sum is σ = 549799033266000. Its totient is φ = 110215797510144.

The previous prime is 255440315312099. The next prime is 255440315312107. The reversal of 255440315312104 is 401213513044552.

It can be written as a sum of positive squares in 8 ways, for example, as 147092992676100 + 108347322636004 = 12128190^2 + 10409002^2 .

It is a super-2 number, since 2×2554403153121042 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255440315312107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484568167 + ... + 485095030.

Almost surely, 2255440315312104 is an apocalyptic number.

It is an amenable number.

255440315312104 is an abundant number, since it is smaller than the sum of its proper divisors (294358717953896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255440315312104 is a wasteful number, since it uses less digits than its factorization.

255440315312104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969663382 (or 969663378 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 255440315312104 its reverse (401213513044552), we get a palindrome (656653828356656).

The spelling of 255440315312104 in words is "two hundred fifty-five trillion, four hundred forty billion, three hundred fifteen million, three hundred twelve thousand, one hundred four".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 149 221 298 442 596 884 1192 1768 1937 2533 3874 5066 7748 10132 15496 20264 32929 65858 131716 263432 969663197 1939326394 3878652788 7757305576 12605621561 16484274349 25211243122 32968548698 50422486244 65937097396 100844972488 131874194792 144479816353 214295566537 288959632706 428591133074 577919265412 857182266148 1155838530824 1714364532296 1878237612589 2456156878001 3756475225178 4912313756002 7512950450356 9824627512004 15025900900712 19649255024008 31930039414013 63860078828026 127720157656052 255440315312104