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22030974940 = 22513113749863
BaseRepresentation
bin10100100001001001…
…011111111111011100
32002212101011111002211
4110201021133333130
5330104412144230
614042040130204
71406643124432
oct244111377734
962771144084
1022030974940
119385a02607
12432a166964
1321013a8960
1410cdd24d52
1588e1eb42a
hex52125ffdc

22030974940 has 48 divisors (see below), whose sum is σ = 50264883648. Its totient is φ = 8062516224.

The previous prime is 22030974929. The next prime is 22030975007. The reversal of 22030974940 is 4947903022.

It is a junction number, because it is equal to n+sod(n) for n = 22030974893 and 22030974902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345552 + ... + 404311.

It is an arithmetic number, because the mean of its divisors is an integer number (1047185076).

Almost surely, 222030974940 is an apocalyptic number.

22030974940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22030974940 is an abundant number, since it is smaller than the sum of its proper divisors (28233908708).

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

22030974940 is a wasteful number, since it uses less digits than its factorization.

22030974940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749998 (or 749996 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 22030974940 in words is "twenty-two billion, thirty million, nine hundred seventy-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 113 130 226 260 452 565 1130 1469 2260 2938 5876 7345 14690 29380 749863 1499726 2999452 3749315 7498630 9748219 14997260 19496438 38992876 48741095 84734519 97482190 169469038 194964380 338938076 423672595 847345190 1101548747 1694690380 2203097494 4406194988 5507743735 11015487470 22030974940