Search a number
-
+
1111010220000 = 2532546172279
BaseRepresentation
bin10000001010101101010…
…111101001011111100000
310221012201012201220011200
4100022231113221133200
5121200322104020000
62210220244441200
7143160604024212
oct20125527513740
93835635656150
101111010220000
113991a433a26a
1215b3a30a9200
13809c9b70655
143bab78785b2
151dd773ad500
hex102ad5e97e0

1111010220000 has 180 divisors, whose sum is σ = 3948031006920. Its totient is φ = 296269344000.

The previous prime is 1111010219987. The next prime is 1111010220007. The reversal of 1111010220000 is 220101111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111010220007) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2906140 + ... + 3266139.

It is an arithmetic number, because the mean of its divisors is an integer number (21933505594).

Almost surely, 21111010220000 is an apocalyptic number.

1111010220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111010220000 is an abundant number, since it is smaller than the sum of its proper divisors (2837020786920).

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

1111010220000 is an equidigital number, since it uses as much as digits as its factorization.

1111010220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172315 (or 6172289 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1111010220000 its reverse (220101111), we get a palindrome (1111230321111).

The spelling of 1111010220000 in words is "one trillion, one hundred eleven billion, ten million, two hundred twenty thousand".