Search a number
-
+
225666020256260 = 225171531433522919
BaseRepresentation
bin110011010011110111110110…
…111110011010101000000100
31002121000110102221211020220212
4303103313312332122220010
5214034303002141200020
62115541312153414552
765350555232020043
oct6323676676325004
91077013387736825
10225666020256260
11659a44703740a1
122138770570a458
1398bc2a306025c
143da2417b2455a
151b15157501cc5
hexcd3df6f9aa04

225666020256260 has 48 divisors (see below), whose sum is σ = 502102777760640. Its totient is φ = 84901128261120.

The previous prime is 225666020256199. The next prime is 225666020256293. The reversal of 225666020256260 is 62652020666522.

It is a junction number, because it is equal to n+sod(n) for n = 225666020256199 and 225666020256208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216240920 + ... + 217281999.

It is an arithmetic number, because the mean of its divisors is an integer number (10460474536680).

Almost surely, 2225666020256260 is an apocalyptic number.

225666020256260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225666020256260 is an abundant number, since it is smaller than the sum of its proper divisors (276436757504380).

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

225666020256260 is a wasteful number, since it uses less digits than its factorization.

225666020256260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433524476 (or 433524474 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 225666020256260 in words is "two hundred twenty-five trillion, six hundred sixty-six billion, twenty million, two hundred fifty-six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1531 3062 6124 7655 15310 26027 30620 52054 104108 130135 260270 520540 433522919 867045838 1734091676 2167614595 4335229190 7369889623 8670458380 14739779246 29479558492 36849448115 73698896230 147397792460 663723588989 1327447177978 2654894355956 3318617944945 6637235889890 11283301012813 13274471779780 22566602025626 45133204051252 56416505064065 112833010128130 225666020256260