Search a number
-
+
10010031312220 = 2251493335232127
BaseRepresentation
bin1001000110101010010001…
…0111000100110101011100
31022102221122021220201020121
42101222210113010311130
52303001021003442340
633142313410524324
72052125623161442
oct221524427046534
938387567821217
1010010031312220
11320a2597953a5
1211580172966a4
13577c3248a024
142686b94c2b92
151255b593894a
hex91aa45c4d5c

10010031312220 has 24 divisors (see below), whose sum is σ = 21035145567744. Its totient is φ = 4001330655936.

The previous prime is 10010031312209. The next prime is 10010031312227. The reversal of 10010031312220 is 2221313001001.

It is a junction number, because it is equal to n+sod(n) for n = 10010031312194 and 10010031312203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010031312227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167586204 + ... + 167645923.

It is an arithmetic number, because the mean of its divisors is an integer number (876464398656).

Almost surely, 210010031312220 is an apocalyptic number.

10010031312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010031312220 is an abundant number, since it is smaller than the sum of its proper divisors (11025114255524).

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

10010031312220 is a wasteful number, since it uses less digits than its factorization.

10010031312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335233629 (or 335233627 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10010031312220 its reverse (2221313001001), we get a palindrome (12231344313221).

The spelling of 10010031312220 in words is "ten trillion, ten billion, thirty-one million, three hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1493 2986 5972 7465 14930 29860 335232127 670464254 1340928508 1676160635 3352321270 6704642540 500501565611 1001003131222 2002006262444 2502507828055 5005015656110 10010031312220