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73785600000 = 2113355761
BaseRepresentation
bin100010010110111110…
…1101110100000000000
321001110020121211211000
41010231331232200000
52202103103200000
653521401252000
75221322152230
oct1045575564000
9231406554730
1073785600000
1129324058412
1212372794000
136c5b80c558
1437dd6b9cc0
151dbcb35000
hex112df6e800

73785600000 has 1152 divisors, whose sum is σ = 317342188800. Its totient is φ = 16588800000.

The previous prime is 73785599983. The next prime is 73785600011. The reversal of 73785600000 is 658737.

It is a tau number, because it is divible by the number of its divisors (1152).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1209599970 + ... + 1209600030.

It is an arithmetic number, because the mean of its divisors is an integer number (275470650).

Almost surely, 273785600000 is an apocalyptic number.

73785600000 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 73785600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158671094400).

73785600000 is an abundant number, since it is smaller than the sum of its proper divisors (243556588800).

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

73785600000 is an frugal number, since it uses more digits than its factorization.

73785600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 73785600000 in words is "seventy-three billion, seven hundred eighty-five million, six hundred thousand".