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23002143212 = 228117090673
BaseRepresentation
bin10101011011000010…
…001101100111101100
32012101001120221112002
4111123002031213230
5334102022040322
614322251431432
71443004664006
oct253302154754
965331527462
1023002143212
119834123714
12455b455578
13222765c839
141182cc9376
158e95d4c92
hex55b08d9ec

23002143212 has 12 divisors (see below), whose sum is σ = 40303391016. Its totient is φ = 11486888640.

The previous prime is 23002143191. The next prime is 23002143253. The reversal of 23002143212 is 21234120032.

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, 3542093 + ... + 3548580.

It is an arithmetic number, because the mean of its divisors is an integer number (3358615918).

Almost surely, 223002143212 is an apocalyptic number.

It is an amenable number.

23002143212 is a deficient number, since it is larger than the sum of its proper divisors (17301247804).

23002143212 is a wasteful number, since it uses less digits than its factorization.

23002143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091488 (or 7091486 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23002143212 its reverse (21234120032), we get a palindrome (44236263244).

The spelling of 23002143212 in words is "twenty-three billion, two million, one hundred forty-three thousand, two hundred twelve".

Divisors: 1 2 4 811 1622 3244 7090673 14181346 28362692 5750535803 11501071606 23002143212