Search a number
-
+
102220130000 = 245410222013
BaseRepresentation
bin101111100110011001…
…0110110011011010000
3100202211220012122001202
41133030302312123100
53133321323130000
6114543112050332
710246052524502
oct1371462663320
9322756178052
10102220130000
113a39566468a
12179893939a8
13984076b731
144d39c5bd72
1529d40d0dd5
hex17cccb66d0

102220130000 has 50 divisors (see below), whose sum is σ = 247485180954. Its totient is φ = 40888048000.

The previous prime is 102220129993. The next prime is 102220130027. The reversal of 102220130000 is 31022201.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 51463644736 + 50756485264 = 226856^2 + 225292^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5101007 + ... + 5121006.

Almost surely, 2102220130000 is an apocalyptic number.

102220130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220130000 is an abundant number, since it is smaller than the sum of its proper divisors (145265050954).

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

102220130000 is an equidigital number, since it uses as much as digits as its factorization.

102220130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222041 (or 10222020 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 102220130000 its reverse (31022201), we get a palindrome (102251152201).

The spelling of 102220130000 in words is "one hundred two billion, two hundred twenty million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 10222013 20444026 40888052 51110065 81776104 102220130 163552208 204440260 255550325 408880520 511100650 817761040 1022201300 1277751625 2044402600 2555503250 4088805200 5111006500 6388758125 10222013000 12777516250 20444026000 25555032500 51110065000 102220130000