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2213518530 = 235671101253
BaseRepresentation
bin1000001111101111…
…1001110011000010
312201021010101120210
42003323321303002
514013130043110
61003351214550
7105565411536
oct20373716302
95637111523
102213518530
11a36523263
12519377456
132937858a2
1416dd99bc6
15ce4dc520
hex83ef9cc2

2213518530 has 32 divisors (see below), whose sum is σ = 5391739584. Its totient is φ = 581461056.

The previous prime is 2213518519. The next prime is 2213518547. The reversal of 2213518530 is 358153122.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548617 + ... + 552636.

It is an arithmetic number, because the mean of its divisors is an integer number (168491862).

Almost surely, 22213518530 is an apocalyptic number.

2213518530 is an abundant number, since it is smaller than the sum of its proper divisors (3178221054).

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

2213518530 is a wasteful number, since it uses less digits than its factorization.

2213518530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101330.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2213518530 is about 47048.0449115582. The cubic root of 2213518530 is about 1303.2499611259.

The spelling of 2213518530 in words is "two billion, two hundred thirteen million, five hundred eighteen thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 67 134 201 335 402 670 1005 2010 1101253 2202506 3303759 5506265 6607518 11012530 16518795 33037590 73783951 147567902 221351853 368919755 442703706 737839510 1106759265 2213518530