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227057128147 = 2943257708493
BaseRepresentation
bin1101001101110110101…
…0001101001011010011
3210201002000001012121201
43103131222031023103
512210003111100042
6252150354132031
722255454513353
oct3233552151323
9721060035551
10227057128147
1188326914033
1238008b81017
1318546ab2785
14adbd754b63
155d8da411b7
hex34dda8d2d3

227057128147 has 16 divisors (see below), whose sum is σ = 241284716640. Its totient is φ = 213295767552.

The previous prime is 227057128139. The next prime is 227057128189. The reversal of 227057128147 is 741821750722.

It is a cyclic number.

It is not a de Polignac number, because 227057128147 - 23 = 227057128139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227057128097 and 227057128106.

It is not an unprimeable number, because it can be changed into a prime (227057528147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33768 + ... + 674725.

It is an arithmetic number, because the mean of its divisors is an integer number (15080294790).

Almost surely, 2227057128147 is an apocalyptic number.

227057128147 is a deficient number, since it is larger than the sum of its proper divisors (14227588493).

227057128147 is a wasteful number, since it uses less digits than its factorization.

227057128147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708822.

The product of its (nonzero) digits is 439040, while the sum is 46.

Adding to 227057128147 its reverse (741821750722), we get a palindrome (968878878869).

The spelling of 227057128147 in words is "two hundred twenty-seven billion, fifty-seven million, one hundred twenty-eight thousand, one hundred forty-seven".

Divisors: 1 29 43 257 1247 7453 11051 320479 708493 20546297 30465199 182082701 883490771 5280398329 7829556143 227057128147