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45455047340 = 22519311775919
BaseRepresentation
bin101010010101010101…
…001111101010101100
311100022211200122122212
4222111111033222230
51221042443003330
632514243225552
73166263345623
oct522525175254
9140284618585
1045455047340
111830620992a
1289869782b8
134395287321
1422b2c826ba
1512b0877295
hexa9554faac

45455047340 has 24 divisors (see below), whose sum is σ = 95950196160. Its totient is φ = 18087810048.

The previous prime is 45455047333. The next prime is 45455047343. The reversal of 45455047340 is 4374055454.

It is a super-2 number, since 2×454550473402 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45455047343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5884100 + ... + 5891819.

It is an arithmetic number, because the mean of its divisors is an integer number (3997924840).

Almost surely, 245455047340 is an apocalyptic number.

It is an amenable number.

45455047340 is an abundant number, since it is smaller than the sum of its proper divisors (50495148820).

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

45455047340 is a wasteful number, since it uses less digits than its factorization.

45455047340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11776121 (or 11776119 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 41.

The spelling of 45455047340 in words is "forty-five billion, four hundred fifty-five million, forty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 11775919 23551838 47103676 58879595 117759190 235518380 2272752367 4545504734 9091009468 11363761835 22727523670 45455047340