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2100432423 = 31321752973
BaseRepresentation
bin111110100110010…
…0000111000100111
312102101100000121110
41331030200320213
513300202314143
6544231320103
7103023244455
oct17514407047
95371300543
102100432423
11988703a71
124a7520033
1327620c92b
1415cd5d9d5
15c4600533
hex7d320e27

2100432423 has 8 divisors (see below), whose sum is σ = 2800841328. Its totient is φ = 1400155904.

The previous prime is 2100432421. The next prime is 2100432437. The reversal of 2100432423 is 3242340012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100432423 - 21 = 2100432421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2100432423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100432421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13165 + ... + 66137.

It is an arithmetic number, because the mean of its divisors is an integer number (350105166).

Almost surely, 22100432423 is an apocalyptic number.

2100432423 is a deficient number, since it is larger than the sum of its proper divisors (700408905).

2100432423 is a wasteful number, since it uses less digits than its factorization.

2100432423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66193.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2100432423 is about 45830.4748284370. The cubic root of 2100432423 is about 1280.6670560795.

Adding to 2100432423 its reverse (3242340012), we get a palindrome (5342772435).

The spelling of 2100432423 in words is "two billion, one hundred million, four hundred thirty-two thousand, four hundred twenty-three".

Divisors: 1 3 13217 39651 52973 158919 700144141 2100432423