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2150029449 = 32238892161
BaseRepresentation
bin1000000000100110…
…1101100010001001
312112211122210221100
42000021231202021
513400401420244
6553202332013
7104164643301
oct20011554211
95484583840
102150029449
11a036a9a47
1250005a009
13283586799
14165790601
15c8b4ab69
hex8026d889

2150029449 has 6 divisors (see below), whose sum is σ = 3105598106. Its totient is φ = 1433352960.

The previous prime is 2150029447. The next prime is 2150029451. The reversal of 2150029449 is 9449200512.

2150029449 is a `hidden beast` number, since 21 + 500 + 2 + 94 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (2150029447) and next prime (2150029451).

It can be written as a sum of positive squares in only one way, i.e., 2149991424 + 38025 = 46368^2 + 195^2 .

It is not a de Polignac number, because 2150029449 - 21 = 2150029447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150029447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119446072 + ... + 119446089.

Almost surely, 22150029449 is an apocalyptic number.

It is an amenable number.

2150029449 is a deficient number, since it is larger than the sum of its proper divisors (955568657).

2150029449 is a wasteful number, since it uses less digits than its factorization.

2150029449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238892167 (or 238892164 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2150029449 is about 46368.4100331249. The cubic root of 2150029449 is about 1290.6687734737.

The spelling of 2150029449 in words is "two billion, one hundred fifty million, twenty-nine thousand, four hundred forty-nine".

Divisors: 1 3 9 238892161 716676483 2150029449