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127887859331393 = 71311091931113729
BaseRepresentation
bin11101000101000000110110…
…011011010011000101000001
3121202210221220210201020011012
4131011000312123103011001
5113230303313442101033
61131554512125130305
735636410242224540
oct3505006633230501
9552727823636135
10127887859331393
1137826a33621327
12124156353b9995
135648a09197105
142381b3c0d4157
15ebb9cb5c6248
hex7450366d3141

127887859331393 has 32 divisors (see below), whose sum is σ = 147434819051520. Its totient is φ = 108662089536000.

The previous prime is 127887859331369. The next prime is 127887859331443. The reversal of 127887859331393 is 393133958788721.

It is not a de Polignac number, because 127887859331393 - 216 = 127887859265857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127887859331363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9315155153 + ... + 9315168881.

It is an arithmetic number, because the mean of its divisors is an integer number (4607338095360).

Almost surely, 2127887859331393 is an apocalyptic number.

It is an amenable number.

127887859331393 is a deficient number, since it is larger than the sum of its proper divisors (19546959720127).

127887859331393 is a wasteful number, since it uses less digits than its factorization.

127887859331393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24269.

The product of its digits is 1646023680, while the sum is 77.

The spelling of 127887859331393 in words is "one hundred twenty-seven trillion, eight hundred eighty-seven billion, eight hundred fifty-nine million, three hundred thirty-one thousand, three hundred ninety-three".

Divisors: 1 7 131 917 1091 7637 9311 13729 65177 96103 142921 1000447 1219741 1798499 8538187 10158301 12589493 14978339 71108107 104848373 127830719 894815033 1330737431 1962162409 9315162017 13735136863 16745824189 117220769323 139463314429 976243201003 18269694190199 127887859331393