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23400221105 = 57616149861
BaseRepresentation
bin10101110010110000…
…110000100110110001
32020101210122101201202
4111302300300212301
5340410424033410
614425551540545
71455610411652
oct256260604661
966353571652
1023400221105
119a188a6508
12465082a755
13228bc7a2a1
1411bdb0d529
1591e518ca5
hex572c309b1

23400221105 has 8 divisors (see below), whose sum is σ = 28117169064. Its totient is φ = 18695574400.

The previous prime is 23400221087. The next prime is 23400221123. The reversal of 23400221105 is 50112200432.

It is an interprime number because it is at equal distance from previous prime (23400221087) and next prime (23400221123).

It can be written as a sum of positive squares in 4 ways, for example, as 512162161 + 22888058944 = 22631^2 + 151288^2 .

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

It is not a de Polignac number, because 23400221105 - 214 = 23400204721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071126 + ... + 3078735.

It is an arithmetic number, because the mean of its divisors is an integer number (3514646133).

Almost surely, 223400221105 is an apocalyptic number.

It is an amenable number.

23400221105 is a deficient number, since it is larger than the sum of its proper divisors (4716947959).

23400221105 is an equidigital number, since it uses as much as digits as its factorization.

23400221105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150627.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 23400221105 its reverse (50112200432), we get a palindrome (73512421537).

The spelling of 23400221105 in words is "twenty-three billion, four hundred million, two hundred twenty-one thousand, one hundred five".

Divisors: 1 5 761 3805 6149861 30749305 4680044221 23400221105