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2213480680 = 235291908173
BaseRepresentation
bin1000001111101111…
…0000100011101000
312201021001110122221
42003323300203220
514013122340210
61003350323424
7105565163305
oct20373604350
95637043587
102213480680
11a364a7884
12519359574
132937715a8
1416dd8a0ac
15ce4d11da
hex83ef08e8

2213480680 has 32 divisors (see below), whose sum is σ = 5152069800. Its totient is φ = 854861056.

The previous prime is 2213480663. The next prime is 2213480719. The reversal of 2213480680 is 860843122.

It can be written as a sum of positive squares in 4 ways, for example, as 2085383556 + 128097124 = 45666^2 + 11318^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952927 + ... + 955246.

Almost surely, 22213480680 is an apocalyptic number.

2213480680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213480680 is an abundant number, since it is smaller than the sum of its proper divisors (2938589120).

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

2213480680 is a wasteful number, since it uses less digits than its factorization.

2213480680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908213 (or 1908209 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 2213480680 is about 47047.6426614554. The cubic root of 2213480680 is about 1303.2425327878.

The spelling of 2213480680 in words is "two billion, two hundred thirteen million, four hundred eighty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 1908173 3816346 7632692 9540865 15265384 19081730 38163460 55337017 76326920 110674034 221348068 276685085 442696136 553370170 1106740340 2213480680