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228081311747 is a prime number
BaseRepresentation
bin1101010001101010110…
…1001010000000000011
3210210201101020010101122
43110122231022000003
512214102303433442
6252440142022455
722323032106362
oct3243255120003
9723641203348
10228081311747
1188801a55363
1238253b77a2b
131867b039383
14b0797997d9
155ded8ecdd2
hex351ab4a003

228081311747 has 2 divisors, whose sum is σ = 228081311748. Its totient is φ = 228081311746.

The previous prime is 228081311707. The next prime is 228081311753. The reversal of 228081311747 is 747113180822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228081311747 - 220 = 228080263171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228081311698 and 228081311707.

It is not a weakly prime, because it can be changed into another prime (228081311707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114040655873 + 114040655874.

It is an arithmetic number, because the mean of its divisors is an integer number (114040655874).

Almost surely, 2228081311747 is an apocalyptic number.

228081311747 is a deficient number, since it is larger than the sum of its proper divisors (1).

228081311747 is an equidigital number, since it uses as much as digits as its factorization.

228081311747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 44.

The spelling of 228081311747 in words is "two hundred twenty-eight billion, eighty-one million, three hundred eleven thousand, seven hundred forty-seven".