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22704530940 = 223257132947797
BaseRepresentation
bin10101001001010010…
…111010010111111100
32011121022120200020100
4111021102322113330
5332444324442230
614232540521100
71432432220520
oct251122722774
964538520210
1022704530940
1196a1130163
124497850190
1321aaab97c0
141155577d80
158cd3e8660
hex5494ba5fc

22704530940 has 288 divisors, whose sum is σ = 87688298880. Its totient is φ = 4625123328.

The previous prime is 22704530939. The next prime is 22704531011. The reversal of 22704530940 is 4903540722.

22704530940 is a `hidden beast` number, since 2 + 270 + 45 + 309 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22704530895 and 22704530904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 451122 + ... + 498918.

It is an arithmetic number, because the mean of its divisors is an integer number (304473260).

Almost surely, 222704530940 is an apocalyptic number.

22704530940 is a gapful number since it is divisible by the number (20) 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 22704530940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43844149440).

22704530940 is an abundant number, since it is smaller than the sum of its proper divisors (64983767940).

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

22704530940 is a wasteful number, since it uses less digits than its factorization.

22704530940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47861 (or 47856 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 22704530940 in words is "twenty-two billion, seven hundred four million, five hundred thirty thousand, nine hundred forty".