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2114212155220 = 22511374379157487
BaseRepresentation
bin11110110001000000110…
…111010100111101010100
321111010011002011111001001
4132301000313110331110
5234114401302431340
64255131115513044
7305514101543314
oct36610067247524
97433132144031
102114212155220
117456a570a510
122a18b9458784
131244a56047c9
1474485251444
1539edeca629a
hex1ec40dd4f54

2114212155220 has 384 divisors, whose sum is σ = 5197969244160. Its totient is φ = 715314862080.

The previous prime is 2114212155203. The next prime is 2114212155227. The reversal of 2114212155220 is 225512124112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2114212155227) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4341297817 + ... + 4341298303.

It is an arithmetic number, because the mean of its divisors is an integer number (13536378240).

Almost surely, 22114212155220 is an apocalyptic number.

2114212155220 is a gapful number since it is divisible by the number (20) 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 2114212155220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2598984622080).

2114212155220 is an abundant number, since it is smaller than the sum of its proper divisors (3083757088940).

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

2114212155220 is a wasteful number, since it uses less digits than its factorization.

2114212155220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 2114212155220 its reverse (225512124112), we get a palindrome (2339724279332).

The spelling of 2114212155220 in words is "two trillion, one hundred fourteen billion, two hundred twelve million, one hundred fifty-five thousand, two hundred twenty".