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21323230414 = 238561276487
BaseRepresentation
bin10011110110111101…
…101010110011001110
32001001001102100010121
4103312331222303032
5322132221333124
613443514455154
71353260316343
oct236675526316
961031370117
1021323230414
119052453682
1241711344ba
13201a887505
141063d327ca
1584bee92e4
hex4f6f6acce

21323230414 has 8 divisors (see below), whose sum is σ = 31985790768. Its totient is φ = 10661300160.

The previous prime is 21323230363. The next prime is 21323230477. The reversal of 21323230414 is 41403232312.

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

It is a super-2 number, since 2×213232304142 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61122 + ... + 215365.

It is an arithmetic number, because the mean of its divisors is an integer number (3998223846).

Almost surely, 221323230414 is an apocalyptic number.

21323230414 is a deficient number, since it is larger than the sum of its proper divisors (10662560354).

21323230414 is a wasteful number, since it uses less digits than its factorization.

21323230414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315050.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21323230414 its reverse (41403232312), we get a palindrome (62726462726).

The spelling of 21323230414 in words is "twenty-one billion, three hundred twenty-three million, two hundred thirty thousand, four hundred fourteen".

Divisors: 1 2 38561 77122 276487 552974 10661615207 21323230414