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227024420465 = 589631780761
BaseRepresentation
bin1101001101101110110…
…1011011111001110001
3210200222201111111010002
43103123231123321301
512204421222423330
6252143225115345
722254606506603
oct3233355337161
9720881444102
10227024420465
118830a404297
1237bba028b55
13185400a020b
14adb927d173
155d8ac2ee45
hex34dbb5be71

227024420465 has 16 divisors (see below), whose sum is σ = 275537330640. Its totient is φ = 179548216320.

The previous prime is 227024420453. The next prime is 227024420503. The reversal of 227024420465 is 564024420722.

It can be written as a sum of positive squares in 8 ways, for example, as 27623769616 + 199400650849 = 166204^2 + 446543^2 .

It is not a de Polignac number, because 227024420465 - 24 = 227024420449 is a prime.

It is a super-2 number, since 2×2270244204652 (a number of 24 digits) contains 22 as substring.

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, 2770685 + ... + 2851445.

It is an arithmetic number, because the mean of its divisors is an integer number (17221083165).

Almost surely, 2227024420465 is an apocalyptic number.

It is an amenable number.

227024420465 is a deficient number, since it is larger than the sum of its proper divisors (48512910175).

227024420465 is an equidigital number, since it uses as much as digits as its factorization.

227024420465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87172.

The product of its (nonzero) digits is 215040, while the sum is 38.

The spelling of 227024420465 in words is "two hundred twenty-seven billion, twenty-four million, four hundred twenty thousand, four hundred sixty-five".

Divisors: 1 5 89 445 6317 31585 80761 403805 562213 2811065 7187729 35938645 510167237 2550836185 45404884093 227024420465