Search a number
-
+
101313101321220 = 22356866924589723
BaseRepresentation
bin10111000010010011001011…
…011010100101010000000100
3111021201102211020010001120010
4113002103023122211100010
5101234403212414234340
6555250332441110220
730224426045205465
oct2702231332452004
9437642736101503
10101313101321220
112a310710517968
12b4431a8788370
13446ba275c9059
141b0381a37cd6c
15baa5bd9acb80
hex5c24cb6a5404

101313101321220 has 48 divisors (see below), whose sum is σ = 283680826309440. Its totient is φ = 27016432484736.

The previous prime is 101313101321129. The next prime is 101313101321251. The reversal of 101313101321220 is 22123101313101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8174722 + ... + 16415001.

It is an arithmetic number, because the mean of its divisors is an integer number (5910017214780).

Almost surely, 2101313101321220 is an apocalyptic number.

101313101321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101313101321220 is an abundant number, since it is smaller than the sum of its proper divisors (182367724988220).

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

101313101321220 is a wasteful number, since it uses less digits than its factorization.

101313101321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24658404 (or 24658402 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 101313101321220 its reverse (22123101313101), we get a palindrome (123436202634321).

The spelling of 101313101321220 in words is "one hundred one trillion, three hundred thirteen billion, one hundred one million, three hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 68669 137338 206007 274676 343345 412014 686690 824028 1030035 1373380 2060070 4120140 24589723 49179446 73769169 98358892 122948615 147538338 245897230 295076676 368845845 491794460 737691690 1475383380 1688551688687 3377103377374 5065655066061 6754206754748 8442758443435 10131310132122 16885516886870 20262620264244 25328275330305 33771033773740 50656550660610 101313101321220