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2010400045 = 53821105229
BaseRepresentation
bin111011111010100…
…0100010100101101
312012002220220101221
41313311010110231
513104130300140
6531253503341
7100551055423
oct16765042455
95162826357
102010400045
11941900345
12481341b51
13260679034
14151005113
15bb76914a
hex77d4452d

2010400045 has 8 divisors (see below), whose sum is σ = 2413134360. Its totient is φ = 1607883840.

The previous prime is 2010400039. The next prime is 2010400103. The reversal of 2010400045 is 5400040102.

It can be written as a sum of positive squares in 4 ways, for example, as 1138792516 + 871607529 = 33746^2 + 29523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2010400045 - 29 = 2010399533 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 33510 + ... + 71719.

It is an arithmetic number, because the mean of its divisors is an integer number (301641795).

Almost surely, 22010400045 is an apocalyptic number.

It is an amenable number.

2010400045 is a deficient number, since it is larger than the sum of its proper divisors (402734315).

2010400045 is a wasteful number, since it uses less digits than its factorization.

2010400045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109055.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2010400045 is about 44837.4848201814. The cubic root of 2010400045 is about 1262.1011479997.

Adding to 2010400045 its reverse (5400040102), we get a palindrome (7410440147).

The spelling of 2010400045 in words is "two billion, ten million, four hundred thousand, forty-five".

Divisors: 1 5 3821 19105 105229 526145 402080009 2010400045