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2281501968 = 243109343487
BaseRepresentation
bin1000011111111100…
…1111010100010000
312220000001022022220
42013333033110100
514133031030333
61014220301040
7110352306144
oct20777172420
95800038286
102281501968
11a70937219
125380a1780
132a4899585
14179015224
15d546a8b3
hex87fcf510

2281501968 has 40 divisors (see below), whose sum is σ = 5899408128. Its totient is φ = 759787392.

The previous prime is 2281501967. The next prime is 2281501973. The reversal of 2281501968 is 8691051822.

It is a happy number.

It is a super-3 number, since 3×22815019683 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2281501967) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30721 + ... + 74207.

Almost surely, 22281501968 is an apocalyptic number.

It is an amenable number.

2281501968 is an abundant number, since it is smaller than the sum of its proper divisors (3617906160).

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

2281501968 is a wasteful number, since it uses less digits than its factorization.

2281501968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44591 (or 44585 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 2281501968 is about 47765.0705851043. The cubic root of 2281501968 is about 1316.4578218204.

The spelling of 2281501968 in words is "two billion, two hundred eighty-one million, five hundred one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1093 2186 3279 4372 6558 8744 13116 17488 26232 43487 52464 86974 130461 173948 260922 347896 521844 695792 1043688 2087376 47531291 95062582 142593873 190125164 285187746 380250328 570375492 760500656 1140750984 2281501968