Search a number
-
+
127644008882 = 2137169146267
BaseRepresentation
bin111011011100000101…
…1010000000110110010
3110012110201201111101112
41312320023100012302
54042403331241012
6134345554033322
712136065113405
oct1667013200662
9405421644345
10127644008882
114a151796135
12208a3878842
13c062a57350
14626c623d3c
1534c10d2122
hex1db82d01b2

127644008882 has 16 divisors (see below), whose sum is σ = 209098314432. Its totient is φ = 58082863440.

The previous prime is 127644008881. The next prime is 127644008897. The reversal of 127644008882 is 288800446721.

It is a self number, because there is not a number n which added to its sum of digits gives 127644008882.

It is not an unprimeable number, because it can be changed into a prime (127644008881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34571288 + ... + 34574979.

It is an arithmetic number, because the mean of its divisors is an integer number (13068644652).

Almost surely, 2127644008882 is an apocalyptic number.

127644008882 is a deficient number, since it is larger than the sum of its proper divisors (81454305550).

127644008882 is a wasteful number, since it uses less digits than its factorization.

127644008882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69146353.

The product of its (nonzero) digits is 1376256, while the sum is 50.

The spelling of 127644008882 in words is "one hundred twenty-seven billion, six hundred forty-four million, eight thousand, eight hundred eighty-two".

Divisors: 1 2 13 26 71 142 923 1846 69146267 138292534 898901471 1797802942 4909384957 9818769914 63822004441 127644008882