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20132004545 = 54099844501
BaseRepresentation
bin10010101111111101…
…100000001011000001
31220222000220210102222
4102233331200023001
5312212243121140
613125402420425
71311614133542
oct225775401301
956860823388
1020132004545
1185a0a9aa94
123a9a201715
131b8ab45933
14d8da484c9
157cc6435b5
hex4aff602c1

20132004545 has 8 divisors (see below), whose sum is σ = 24217474920. Its totient is φ = 16066224000.

The previous prime is 20132004539. The next prime is 20132004577. The reversal of 20132004545 is 54540023102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7379497216 + 12752507329 = 85904^2 + 112927^2 .

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

It is not a de Polignac number, because 20132004545 - 214 = 20131988161 is a prime.

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, 4920206 + ... + 4924295.

It is an arithmetic number, because the mean of its divisors is an integer number (3027184365).

Almost surely, 220132004545 is an apocalyptic number.

It is an amenable number.

20132004545 is a deficient number, since it is larger than the sum of its proper divisors (4085470375).

20132004545 is an equidigital number, since it uses as much as digits as its factorization.

20132004545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9844915.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20132004545 its reverse (54540023102), we get a palindrome (74672027647).

The spelling of 20132004545 in words is "twenty billion, one hundred thirty-two million, four thousand, five hundred forty-five".

Divisors: 1 5 409 2045 9844501 49222505 4026400909 20132004545