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2115232928 = 2566101029
BaseRepresentation
bin111111000010011…
…1110010010100000
312110102011222002022
41332010332102200
513312444423203
6545520441012
7103263116564
oct17604762240
95412158068
102115232928
11995aa2896
124b0479168
132792c2523
14160cd36a4
15c5a75a38
hex7e13e4a0

2115232928 has 12 divisors (see below), whose sum is σ = 4164364890. Its totient is φ = 1057616448.

The previous prime is 2115232921. The next prime is 2115232957. The reversal of 2115232928 is 8292325112.

It can be written as a sum of positive squares in only one way, i.e., 1117431184 + 997801744 = 33428^2 + 31588^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2115232921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33050483 + ... + 33050546.

Almost surely, 22115232928 is an apocalyptic number.

It is an amenable number.

2115232928 is a deficient number, since it is larger than the sum of its proper divisors (2049131962).

2115232928 is an equidigital number, since it uses as much as digits as its factorization.

2115232928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66101039 (or 66101031 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 2115232928 is about 45991.6615051033. The cubic root of 2115232928 is about 1283.6680527631.

The spelling of 2115232928 in words is "two billion, one hundred fifteen million, two hundred thirty-two thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 66101029 132202058 264404116 528808232 1057616464 2115232928