Search a number
-
+
102124454164 = 22137186358493
BaseRepresentation
bin101111100011100010…
…1111000000100010100
3100202121020011210111021
41133013011320010110
53133122330013124
6114525413250524
710243511352265
oct1370705700424
9322536153437
10102124454164
113a346656a47
1217961333a44
1398269b0205
144d2b27496c
1529ca9d27e4
hex17c7178114

102124454164 has 12 divisors (see below), whose sum is σ = 180022305204. Its totient is φ = 50689509824.

The previous prime is 102124454147. The next prime is 102124454209. The reversal of 102124454164 is 461454421201.

It can be written as a sum of positive squares in 2 ways, for example, as 31936549264 + 70187904900 = 178708^2 + 264930^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 93178699 + ... + 93179794.

It is an arithmetic number, because the mean of its divisors is an integer number (15001858767).

Almost surely, 2102124454164 is an apocalyptic number.

It is an amenable number.

102124454164 is a deficient number, since it is larger than the sum of its proper divisors (77897851040).

102124454164 is a wasteful number, since it uses less digits than its factorization.

102124454164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186358634 (or 186358632 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

Adding to 102124454164 its reverse (461454421201), we get a palindrome (563578875365).

The spelling of 102124454164 in words is "one hundred two billion, one hundred twenty-four million, four hundred fifty-four thousand, one hundred sixty-four".

Divisors: 1 2 4 137 274 548 186358493 372716986 745433972 25531113541 51062227082 102124454164