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21100223210312 = 2323114675126143
BaseRepresentation
bin1001100110000110001110…
…10011110010001101001000
32202201011100211112112101002
410303003013103302031020
510231201224120212222
6112513150403514132
74305304126013231
oct463030723621510
982634324475332
1021100223210312
1167a5610a14264
122449446088948
13ba09863b19cc
1452d38322a088
15268cea228392
hex1330c74f2348

21100223210312 has 16 divisors (see below), whose sum is σ = 41283045411840. Its totient is φ = 10091411100496.

The previous prime is 21100223210267. The next prime is 21100223210323. The reversal of 21100223210312 is 21301232200112.

Adding to 21100223210312 its reverse (21301232200112), we get a palindrome (42401455410424).

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, 57337562888 + ... + 57337563255.

It is an arithmetic number, because the mean of its divisors is an integer number (2580190338240).

Almost surely, 221100223210312 is an apocalyptic number.

It is an amenable number.

21100223210312 is a deficient number, since it is larger than the sum of its proper divisors (20182822201528).

21100223210312 is a wasteful number, since it uses less digits than its factorization.

21100223210312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114675126172 (or 114675126168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 21100223210312 in words is "twenty-one trillion, one hundred billion, two hundred twenty-three million, two hundred ten thousand, three hundred twelve".

Divisors: 1 2 4 8 23 46 92 184 114675126143 229350252286 458700504572 917401009144 2637527901289 5275055802578 10550111605156 21100223210312