Search a number
-
+
108136786466 = 21973156724877
BaseRepresentation
bin110010010110101110…
…1000110101000100010
3101100010020102220220102
41210231131012220202
53232431004131331
6121402150342402
710545505343012
oct1445535065042
9340106386812
10108136786466
1141951440215
1218b5a95aa02
13a2744a62a7
14533b973c42
152c2d7544cb
hex192d746a22

108136786466 has 32 divisors (see below), whose sum is σ = 173198645760. Its totient is φ = 50486737536.

The previous prime is 108136786421. The next prime is 108136786469. The reversal of 108136786466 is 664687631801.

It is not an unprimeable number, because it can be changed into a prime (108136786469) 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 15 ways as a sum of consecutive naturals, for example, 4334420 + ... + 4359296.

It is an arithmetic number, because the mean of its divisors is an integer number (5412457680).

Almost surely, 2108136786466 is an apocalyptic number.

108136786466 is a deficient number, since it is larger than the sum of its proper divisors (65061859294).

108136786466 is a wasteful number, since it uses less digits than its factorization.

108136786466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26538.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 108136786466 in words is "one hundred eight billion, one hundred thirty-six million, seven hundred eighty-six thousand, four hundred sixty-six".

Divisors: 1 2 19 38 73 146 1387 1567 2774 3134 24877 29773 49754 59546 114391 228782 472663 945326 1816021 2173429 3632042 4346858 34504399 38982259 69008798 77964518 740662921 1481325842 2845704907 5691409814 54068393233 108136786466