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10013223220 = 22571113539437
BaseRepresentation
bin10010101001101010…
…11010100100110100
3221211211122102222021
421110311122210310
5131001341120340
64333334042524
7503064664420
oct112465324464
927754572867
1010013223220
1142792268a0
121b354a9444
13c3766a170
146adc05b80
153d9120e4a
hex254d5a934

10013223220 has 192 divisors, whose sum is σ = 28768836096. Its totient is φ = 2826270720.

The previous prime is 10013223191. The next prime is 10013223257. The reversal of 10013223220 is 2232231001.

It is a junction number, because it is equal to n+sod(n) for n = 10013223194 and 10013223203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1056342 + ... + 1065778.

It is an arithmetic number, because the mean of its divisors is an integer number (149837688).

Almost surely, 210013223220 is an apocalyptic number.

10013223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10013223220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14384418048).

10013223220 is an abundant number, since it is smaller than the sum of its proper divisors (18755612876).

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

10013223220 is a wasteful number, since it uses less digits than its factorization.

10013223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9530 (or 9528 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10013223220 its reverse (2232231001), we get a palindrome (12245454221).

The spelling of 10013223220 in words is "ten billion, thirteen million, two hundred twenty-three thousand, two hundred twenty".