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127216006256 = 2471111985921
BaseRepresentation
bin111011001111010101…
…0100011010001110000
3110011100220100201011102
41312132222203101300
54041014244200011
6134235304303532
712122350132343
oct1663652432160
9404326321142
10127216006256
1149a52134459
12207a4471ba8
13bcc518cc61
14622b85045a
15349873b73b
hex1d9eaa3470

127216006256 has 20 divisors (see below), whose sum is σ = 249952577904. Its totient is φ = 62712115200.

The previous prime is 127216006249. The next prime is 127216006259. The reversal of 127216006256 is 652600612721.

It is a super-2 number, since 2×1272160062562 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127216006259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55991825 + ... + 55994096.

Almost surely, 2127216006256 is an apocalyptic number.

127216006256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

127216006256 is a deficient number, since it is larger than the sum of its proper divisors (122736571648).

127216006256 is a wasteful number, since it uses less digits than its factorization.

127216006256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111986000 (or 111985994 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 127216006256 its reverse (652600612721), we get a palindrome (779816618977).

The spelling of 127216006256 in words is "one hundred twenty-seven billion, two hundred sixteen million, six thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 71 142 284 568 1136 111985921 223971842 447943684 895887368 1791774736 7951000391 15902000782 31804001564 63608003128 127216006256