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13030023110220 = 223251747103879607
BaseRepresentation
bin1011110110011100100111…
…1001100001111001001100
31201010122202201021112220200
42331213021321201321030
53201440441404011340
643413524320013500
72513250056002104
oct275471171417114
951118681245820
1013030023110220
114174002398886
121565380461290
13736958a824ac
14330929568204
15178e1a328330
hexbd9c9e61e4c

13030023110220 has 288 divisors, whose sum is σ = 43154778820608. Its totient is φ = 3169621518336.

The previous prime is 13030023110197. The next prime is 13030023110227. The reversal of 13030023110220 is 2201132003031.

13030023110220 is a `hidden beast` number, since 1 + 30 + 300 + 2 + 3 + 110 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13030023110193 and 13030023110202.

It is not an unprimeable number, because it can be changed into a prime (13030023110227) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14373657 + ... + 15253263.

It is an arithmetic number, because the mean of its divisors is an integer number (149842982016).

Almost surely, 213030023110220 is an apocalyptic number.

13030023110220 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 13030023110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21577389410304).

13030023110220 is an abundant number, since it is smaller than the sum of its proper divisors (30124755710388).

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

13030023110220 is a wasteful number, since it uses less digits than its factorization.

13030023110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879789 (or 879784 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13030023110220 its reverse (2201132003031), we get a palindrome (15231155113251).

The spelling of 13030023110220 in words is "thirteen trillion, thirty billion, twenty-three million, one hundred ten thousand, two hundred twenty".