Search a number
-
+
127682111240 = 2355449758573
BaseRepresentation
bin111011011101001110…
…0100110011100001000
3110012120101102021222222
41312322130212130020
54042443110024430
6134353434433212
712140040016115
oct1667234463410
9405511367888
10127682111240
114a17124aa92
12208b4592808
13c06a908218
14627370190c
1534c460b9e5
hex1dba726708

127682111240 has 32 divisors (see below), whose sum is σ = 287294926680. Its totient is φ = 51071035392.

The previous prime is 127682111233. The next prime is 127682111269. The reversal of 127682111240 is 42111286721.

It can be written as a sum of positive squares in 4 ways, for example, as 124740350596 + 2941760644 = 353186^2 + 54238^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 127682111240.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2150594 + ... + 2209166.

Almost surely, 2127682111240 is an apocalyptic number.

127682111240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127682111240 is an abundant number, since it is smaller than the sum of its proper divisors (159612815440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127682111240 is a wasteful number, since it uses less digits than its factorization.

127682111240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113081 (or 113077 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

Adding to 127682111240 its reverse (42111286721), we get a palindrome (169793397961).

The spelling of 127682111240 in words is "one hundred twenty-seven billion, six hundred eighty-two million, one hundred eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 54497 58573 108994 117146 217988 234292 272485 292865 435976 468584 544970 585730 1089940 1171460 2179880 2342920 3192052781 6384105562 12768211124 15960263905 25536422248 31920527810 63841055620 127682111240