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2213980320 = 2535193141191
BaseRepresentation
bin1000001111110110…
…1010100010100000
312201021222212001010
42003331222202200
514013234332240
61003405140520
7105602344056
oct20375524240
95637885033
102213980320
11a36809202
1251955a740
132938b7b36
1417007a1d6
15ce57e280
hex83f6a8a0

2213980320 has 384 divisors, whose sum is σ = 7803371520. Its totient is φ = 525312000.

The previous prime is 2213980309. The next prime is 2213980367. The reversal of 2213980320 is 230893122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 11591425 + ... + 11591615.

It is an arithmetic number, because the mean of its divisors is an integer number (20321280).

Almost surely, 22213980320 is an apocalyptic number.

2213980320 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 2213980320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3901685760).

2213980320 is an abundant number, since it is smaller than the sum of its proper divisors (5589391200).

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

2213980320 is a wasteful number, since it uses less digits than its factorization.

2213980320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2213980320 is about 47052.9522984478. The cubic root of 2213980320 is about 1303.3405839578.

The spelling of 2213980320 in words is "two billion, two hundred thirteen million, nine hundred eighty thousand, three hundred twenty".