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2223831145 = 51912328619
BaseRepresentation
bin1000010010001100…
…1111100001101001
312201222112022211111
42010203033201221
514023300044040
61004400230321
7106052152504
oct20443174151
95658468744
102223831145
11a41327288
1252090b3a1
13295956823
141714c213b
15d0377dea
hex848cf869

2223831145 has 8 divisors (see below), whose sum is σ = 2682570240. Its totient is φ = 1769749680.

The previous prime is 2223831139. The next prime is 2223831271. The reversal of 2223831145 is 5411383222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2223831145 - 215 = 2223798377 is a prime.

It is a super-2 number, since 2×22238311452 = 9890849922944022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163355 + ... + 1165264.

It is an arithmetic number, because the mean of its divisors is an integer number (335321280).

Almost surely, 22223831145 is an apocalyptic number.

It is an amenable number.

2223831145 is a deficient number, since it is larger than the sum of its proper divisors (458739095).

2223831145 is a wasteful number, since it uses less digits than its factorization.

2223831145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328815.

The product of its digits is 11520, while the sum is 31.

The square root of 2223831145 is about 47157.5141944526. The cubic root of 2223831145 is about 1305.2707404000.

The spelling of 2223831145 in words is "two billion, two hundred twenty-three million, eight hundred thirty-one thousand, one hundred forty-five".

Divisors: 1 5 191 955 2328619 11643095 444766229 2223831145