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22152313211 = 747971514597
BaseRepresentation
bin10100101000011000…
…010111100101111011
32010011211111002220212
4110220120113211323
5330331443010321
614102052541335
71412645361350
oct245030274573
963154432825
1022152313211
119438448876
12436292184b
132120580a52
1411020ac627
15899bb855b
hex52861797b

22152313211 has 32 divisors (see below), whose sum is σ = 26300854272. Its totient is φ = 18266342400.

The previous prime is 22152313193. The next prime is 22152313223. The reversal of 22152313211 is 11231325122.

It is a cyclic number.

It is not a de Polignac number, because 22152313211 - 234 = 4972444027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22152313411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4816565 + ... + 4821161.

It is an arithmetic number, because the mean of its divisors is an integer number (821901696).

Almost surely, 222152313211 is an apocalyptic number.

22152313211 is a deficient number, since it is larger than the sum of its proper divisors (4148541061).

22152313211 is a wasteful number, since it uses less digits than its factorization.

22152313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899.

The product of its digits is 720, while the sum is 23.

Adding to 22152313211 its reverse (11231325122), we get a palindrome (33383638333).

The spelling of 22152313211 in words is "twenty-two billion, one hundred fifty-two million, three hundred thirteen thousand, two hundred eleven".

Divisors: 1 7 47 97 151 329 679 1057 4559 4597 7097 14647 31913 32179 49679 102529 216059 445909 688409 694147 1512413 3121363 4818863 4859029 20957723 32624909 67332259 146704061 228374363 471325813 3164616173 22152313211