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672546780000 = 2533543741821
BaseRepresentation
bin10011100100101101110…
…10010111001101100000
32101021221221102022202000
421302112322113031200
542004333433430000
61232544055324000
766406223210154
oct11622672271540
92337857368660
10672546780000
1123a253140127
12aa416680600
134b561902b74
14247a1207064
1512763d4a000
hex9c96e97360

672546780000 has 960 divisors, whose sum is σ = 2582000245440. Its totient is φ = 170035200000.

The previous prime is 672546779987. The next prime is 672546780001. The reversal of 672546780000 is 87645276.

672546780000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672546780001) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 819179590 + ... + 819180410.

It is an arithmetic number, because the mean of its divisors is an integer number (2689583589).

Almost surely, 2672546780000 is an apocalyptic number.

672546780000 is a gapful number since it is divisible by the number (60) 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 672546780000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1291000122720).

672546780000 is an abundant number, since it is smaller than the sum of its proper divisors (1909453465440).

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

672546780000 is a wasteful number, since it uses less digits than its factorization.

672546780000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 672546780000 in words is "six hundred seventy-two billion, five hundred forty-six million, seven hundred eighty thousand".