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2100432130 = 25210043213
BaseRepresentation
bin111110100110010…
…0000110100000010
312102101100000012121
41331030200310002
513300202312010
6544231314454
7103023243556
oct17514406402
95371300177
102100432130
11988703825
124a751ba2a
1327620c764
1415cd5d866
15c46003da
hex7d320d02

2100432130 has 8 divisors (see below), whose sum is σ = 3780777852. Its totient is φ = 840172848.

The previous prime is 2100432119. The next prime is 2100432143. The reversal of 2100432130 is 312340012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1945603881 + 154828249 = 44109^2 + 12443^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105021597 + ... + 105021616.

Almost surely, 22100432130 is an apocalyptic number.

2100432130 is a deficient number, since it is larger than the sum of its proper divisors (1680345722).

2100432130 is a wasteful number, since it uses less digits than its factorization.

2100432130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210043220.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2100432130 is about 45830.4716318739. The cubic root of 2100432130 is about 1280.6669965306. Note that the first 3 decimals are identical.

Adding to 2100432130 its reverse (312340012), we get a palindrome (2412772142).

The spelling of 2100432130 in words is "two billion, one hundred million, four hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 210043213 420086426 1050216065 2100432130