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2215043148 = 223184586929
BaseRepresentation
bin1000010000000110…
…1110000001001100
312201100222211222010
42010001232001030
514014022340043
61003444021220
7105614361513
oct20401560114
95640884863
102215043148
11a3737477a
12519991810
13293b9a826
1417027567a
15ce6de133
hex8406e04c

2215043148 has 12 divisors (see below), whose sum is σ = 5168434040. Its totient is φ = 738347712.

The previous prime is 2215043143. The next prime is 2215043183. The reversal of 2215043148 is 8413405122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22150431482 = 9812832295003499808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2215043141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92293453 + ... + 92293476.

Almost surely, 22215043148 is an apocalyptic number.

It is an amenable number.

2215043148 is an abundant number, since it is smaller than the sum of its proper divisors (2953390892).

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

2215043148 is a wasteful number, since it uses less digits than its factorization.

2215043148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184586936 (or 184586934 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2215043148 is about 47064.2448999238. The cubic root of 2215043148 is about 1303.5491081336.

The spelling of 2215043148 in words is "two billion, two hundred fifteen million, forty-three thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 184586929 369173858 553760787 738347716 1107521574 2215043148