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1421102323 = 7922978553
BaseRepresentation
bin101010010110100…
…0100110011110011
310200001001110220101
41110231010303303
510402300233243
6353003053231
750134112314
oct12455046363
93601043811
101421102323
1166a1a2233
12337b11217
13198559864
14d6a4660b
1584b6254d
hex54b44cf3

1421102323 has 8 divisors (see below), whose sum is σ = 1445393600. Its totient is φ = 1396968768.

The previous prime is 1421102269. The next prime is 1421102381. The reversal of 1421102323 is 3232011241.

It is a happy number.

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 1421102323 - 213 = 1421094131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421102323.

It is not an unprimeable number, because it can be changed into a prime (1421102383) 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, 21186 + ... + 57367.

It is an arithmetic number, because the mean of its divisors is an integer number (180674200).

Almost surely, 21421102323 is an apocalyptic number.

1421102323 is a deficient number, since it is larger than the sum of its proper divisors (24291277).

1421102323 is an equidigital number, since it uses as much as digits as its factorization.

1421102323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78861.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1421102323 is about 37697.5108329449. The cubic root of 1421102323 is about 1124.2816346881.

Adding to 1421102323 its reverse (3232011241), we get a palindrome (4653113564).

The spelling of 1421102323 in words is "one billion, four hundred twenty-one million, one hundred two thousand, three hundred twenty-three".

Divisors: 1 79 229 18091 78553 6205687 17988637 1421102323