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30222311340 = 223513179723497
BaseRepresentation
bin11100001001011000…
…111101111110101100
32220000020121111012110
4130021120331332230
5443343402430330
621514533004020
72116636256604
oct341130757654
986006544173
1030222311340
11118a9785911
125a35483610
132b08461880
141669b97c04
15bbd3dddb0
hex70963dfac

30222311340 has 192 divisors, whose sum is σ = 97491510144. Its totient is φ = 6929252352.

The previous prime is 30222311321. The next prime is 30222311341. The reversal of 30222311340 is 4311322203.

It is not an unprimeable number, because it can be changed into a prime (30222311341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1274472 + ... + 1297968.

It is an arithmetic number, because the mean of its divisors is an integer number (507768282).

Almost surely, 230222311340 is an apocalyptic number.

30222311340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30222311340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48745755072).

30222311340 is an abundant number, since it is smaller than the sum of its proper divisors (67269198804).

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

30222311340 is a wasteful number, since it uses less digits than its factorization.

30222311340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23636 (or 23634 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30222311340 its reverse (4311322203), we get a palindrome (34533633543).

The spelling of 30222311340 in words is "thirty billion, two hundred twenty-two million, three hundred eleven thousand, three hundred forty".