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22311001132 = 227796821469
BaseRepresentation
bin10100110001110101…
…101101110000101100
32010120220002021211021
4110301311231300230
5331143104014012
614125522103524
71416613244350
oct246165556054
963526067737
1022311001132
119509a84412
1243a7aaaba4
132147402224
1411191b9460
158a8ab2007
hex531d6dc2c

22311001132 has 12 divisors (see below), whose sum is σ = 44622002320. Its totient is φ = 9561857616.

The previous prime is 22311001117. The next prime is 22311001133. The reversal of 22311001132 is 23110011322.

22311001132 is an admirable number.

It is a super-3 number, since 3×223110011323 (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22311001133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398410707 + ... + 398410762.

Almost surely, 222311001132 is an apocalyptic number.

It is an amenable number.

22311001132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22311001132 is a wasteful number, since it uses less digits than its factorization.

22311001132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796821480 (or 796821478 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22311001132 its reverse (23110011322), we get a palindrome (45421012454).

It can be divided in two parts, 2 and 2311001132, that multiplied together give a palindrome (4622002264).

The spelling of 22311001132 in words is "twenty-two billion, three hundred eleven million, one thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 796821469 1593642938 3187285876 5577750283 11155500566 22311001132