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4311228887 = 7287984263
BaseRepresentation
bin1000000001111100…
…00010000111010111
3102010110100010012222
410000332002013113
532312133311022
61551444332555
7211556561300
oct40076020727
912113303188
104311228887
111912638089
12a039a415b
13539251514
142cc80b7a7
151a3751242
hex100f821d7

4311228887 has 6 divisors (see below), whose sum is σ = 5015103048. Its totient is φ = 3695339004.

The previous prime is 4311228881. The next prime is 4311228893. The reversal of 4311228887 is 7888221134.

It is an interprime number because it is at equal distance from previous prime (4311228881) and next prime (4311228893).

It is not a de Polignac number, because 4311228887 - 212 = 4311224791 is a prime.

It is a super-2 number, since 2×43112288872 = 37173389032206517538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311228881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43992083 + ... + 43992180.

It is an arithmetic number, because the mean of its divisors is an integer number (835850508).

Almost surely, 24311228887 is an apocalyptic number.

4311228887 is a deficient number, since it is larger than the sum of its proper divisors (703874161).

4311228887 is an equidigital number, since it uses as much as digits as its factorization.

4311228887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87984277 (or 87984270 counting only the distinct ones).

The product of its digits is 172032, while the sum is 44.

The square root of 4311228887 is about 65659.9488805771. The cubic root of 4311228887 is about 1627.5475794469.

The spelling of 4311228887 in words is "four billion, three hundred eleven million, two hundred twenty-eight thousand, eight hundred eighty-seven".

Divisors: 1 7 49 87984263 615889841 4311228887