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73800978448960 = 2657312732711733
BaseRepresentation
bin10000110001111100100001…
…000110101100001001000000
3100200022022020002011010212201
4100301330201012230021000
534133123400440331320
6420543411303002544
721354642021254050
oct2061744106541100
9320268202133781
1073800978448960
112157390138a7a4
12833b15a439454
133224530116049
141431db4a21560
1587eaed3a270a
hex431f211ac240

73800978448960 has 672 divisors, whose sum is σ = 211272963296256. Its totient is φ = 24048517939200.

The previous prime is 73800978448921. The next prime is 73800978448961. The reversal of 73800978448960 is 6984487900837.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is not an unprimeable number, because it can be changed into a prime (73800978448961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42585676254 + ... + 42585677986.

Almost surely, 273800978448960 is an apocalyptic number.

73800978448960 is a gapful number since it is divisible by the number (70) 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 73800978448960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105636481648128).

73800978448960 is an abundant number, since it is smaller than the sum of its proper divisors (137471984847296).

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

73800978448960 is a wasteful number, since it uses less digits than its factorization.

73800978448960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163 (or 2122 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 73.

The spelling of 73800978448960 in words is "seventy-three trillion, eight hundred billion, nine hundred seventy-eight million, four hundred forty-eight thousand, nine hundred sixty".