Search a number
-
+
226151561605220 = 22511307578080261
BaseRepresentation
bin110011011010111100000011…
…011111101011000001100100
31002122201212201011112101122022
4303122330003133223001210
5214120231344232331340
62120552332041522312
765430624343261016
oct6332740337530144
91078655634471568
10226151561605220
116607137a849009
12214458304a3398
1399260018638c4
143dbbb189a01b6
151b22ac3b053b5
hexcdaf037eb064

226151561605220 has 12 divisors (see below), whose sum is σ = 474918279371004. Its totient is φ = 90460624642080.

The previous prime is 226151561605199. The next prime is 226151561605267. The reversal of 226151561605220 is 22506165151622.

It can be written as a sum of positive squares in 2 ways, for example, as 78012137672704 + 148139423932516 = 8832448^2 + 12171254^2 .

It is a super-2 number, since 2×2261515616052202 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5653789040111 + ... + 5653789040150.

It is an arithmetic number, because the mean of its divisors is an integer number (39576523280917).

Almost surely, 2226151561605220 is an apocalyptic number.

226151561605220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226151561605220 is an abundant number, since it is smaller than the sum of its proper divisors (248766717765784).

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

226151561605220 is a wasteful number, since it uses less digits than its factorization.

226151561605220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11307578080270 (or 11307578080268 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 226151561605220 in words is "two hundred twenty-six trillion, one hundred fifty-one billion, five hundred sixty-one million, six hundred five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 11307578080261 22615156160522 45230312321044 56537890401305 113075780802610 226151561605220