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13212003100 = 2252132120031
BaseRepresentation
bin11000100110111111…
…10010101100011100
31021002202201022001011
430103133302230130
5204024233044400
610023003025004
7645256113322
oct142337625434
937082638034
1013212003100
11566a91652a
12268880b164
13132729c51a
148d4993d12
15524d7c8ba
hex3137f2b1c

13212003100 has 18 divisors (see below), whose sum is σ = 28670046944. Its totient is φ = 5284801200.

The previous prime is 13212003089. The next prime is 13212003107. The reversal of 13212003100 is 130021231.

It is a super-2 number, since 2×132120031002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212003107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66059916 + ... + 66060115.

Almost surely, 213212003100 is an apocalyptic number.

13212003100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212003100 is an abundant number, since it is smaller than the sum of its proper divisors (15458043844).

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

13212003100 is a wasteful number, since it uses less digits than its factorization.

13212003100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132120045 (or 132120038 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13212003100 its reverse (130021231), we get a palindrome (13342024331).

The spelling of 13212003100 in words is "thirteen billion, two hundred twelve million, three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 132120031 264240062 528480124 660600155 1321200310 2642400620 3303000775 6606001550 13212003100