Search a number
-
+
1102130101220 = 225101545608961
BaseRepresentation
bin10000000010011100000…
…100101011101111100100
310220100210100020010021112
4100002130010223233210
5121024130301214340
62202151145004152
7142424545201121
oct20023404535744
93810710203245
101102130101220
11395457789625
12159725183658
137cc131a51b5
143b4b434b748
151da079b2065
hex1009c12bbe4

1102130101220 has 24 divisors (see below), whose sum is σ = 2337388793208. Its totient is φ = 436487168000.

The previous prime is 1102130101207. The next prime is 1102130101223. The reversal of 1102130101220 is 221010312011.

It can be written as a sum of positive squares in 4 ways, for example, as 400861194496 + 701268906724 = 633136^2 + 837418^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1102130101195 and 1102130101204.

It is not an unprimeable number, because it can be changed into a prime (1102130101223) 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, 272802461 + ... + 272806500.

It is an arithmetic number, because the mean of its divisors is an integer number (97391199717).

Almost surely, 21102130101220 is an apocalyptic number.

1102130101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102130101220 is an abundant number, since it is smaller than the sum of its proper divisors (1235258691988).

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

1102130101220 is a wasteful number, since it uses less digits than its factorization.

1102130101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545609071 (or 545609069 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1102130101220 its reverse (221010312011), we get a palindrome (1323140413231).

The spelling of 1102130101220 in words is "one trillion, one hundred two billion, one hundred thirty million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 545608961 1091217922 2182435844 2728044805 5456089610 10912179220 55106505061 110213010122 220426020244 275532525305 551065050610 1102130101220