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45247730880 = 26351119613697
BaseRepresentation
bin101010001000111110…
…011001010011000000
311022210101120212221110
4222020332121103000
51220131404342010
632441515523320
73161165236512
oct521076312300
9138711525843
1045247730880
111820a189a10
128929459540
13436133aa71
142293517bb2
15129c575120
hexa88f994c0

45247730880 has 448 divisors, whose sum is σ = 167719979520. Its totient is φ = 10218700800.

The previous prime is 45247730867. The next prime is 45247730903. The reversal of 45247730880 is 8803774254.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12237192 + ... + 12240888.

Almost surely, 245247730880 is an apocalyptic number.

45247730880 is a gapful number since it is divisible by the number (40) 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 45247730880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83859989760).

45247730880 is an abundant number, since it is smaller than the sum of its proper divisors (122472248640).

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

45247730880 is a wasteful number, since it uses less digits than its factorization.

45247730880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808 (or 3798 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 45247730880 in words is "forty-five billion, two hundred forty-seven million, seven hundred thirty thousand, eight hundred eighty".