Search a number
-
+
127664171430134 = 2569857973913441
BaseRepresentation
bin11101000001110000100001…
…100101101011000011110110
3121202000120112121110110221112
4131001300201211223003312
5113213122210341231014
61131304035525115022
735614301115360113
oct3501604145530366
9552016477413845
10127664171430134
1137750086635329
121239a208858a72
1356308ab424621
142374d9c01990a
15eb5c8875e73e
hex741c2196b0f6

127664171430134 has 32 divisors (see below), whose sum is σ = 192090658874400. Its totient is φ = 63634280693760.

The previous prime is 127664171430127. The next prime is 127664171430137. The reversal of 127664171430134 is 431034171466721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127664171430137) 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, 9498108854 + ... + 9498122294.

It is an arithmetic number, because the mean of its divisors is an integer number (6002833089825).

Almost surely, 2127664171430134 is an apocalyptic number.

127664171430134 is a deficient number, since it is larger than the sum of its proper divisors (64426487444266).

127664171430134 is a wasteful number, since it uses less digits than its factorization.

127664171430134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24608.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 127664171430134 in words is "one hundred twenty-seven trillion, six hundred sixty-four billion, one hundred seventy-one million, four hundred thirty thousand, one hundred thirty-four".

Divisors: 1 2 569 857 1138 1714 9739 13441 19478 26882 487633 975266 5541491 7647929 8346323 11082982 11518937 15295858 16692646 23037874 130901899 261803798 4749057787 6554275153 9498115574 13108550306 74483180531 112182927443 148966361062 224365854886 63832085715067 127664171430134