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22011423211 = 1271723100591
BaseRepresentation
bin10100011111111110…
…111010100111101011
32002211000101011011201
4110133332322213223
5330034411020321
614040101105031
71406315003341
oct243776724753
962730334151
1022011423211
119375969058
1243236b8177
1320ca32159b
1410cb4b5991
1588c638291
hex51ffba9eb

22011423211 has 8 divisors (see below), whose sum is σ = 22197837824. Its totient is φ = 21825213480.

The previous prime is 22011423199. The next prime is 22011423253. The reversal of 22011423211 is 11232411022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22011423211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011423271) 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, 168526 + ... + 269116.

It is an arithmetic number, because the mean of its divisors is an integer number (2774729728).

Almost surely, 222011423211 is an apocalyptic number.

22011423211 is a deficient number, since it is larger than the sum of its proper divisors (186414613).

22011423211 is a wasteful number, since it uses less digits than its factorization.

22011423211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102441.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22011423211 its reverse (11232411022), we get a palindrome (33243834233).

The spelling of 22011423211 in words is "twenty-two billion, eleven million, four hundred twenty-three thousand, two hundred eleven".

Divisors: 1 127 1723 100591 218821 12775057 173318293 22011423211