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673920051480 = 2332513913315767
BaseRepresentation
bin10011100111010001100…
…00111110100100011000
32101102111122110202001200
421303220300332210120
542020142013121410
61233332233314200
766455236631124
oct11635060764430
92342448422050
10673920051480
1123a898333335
12aa73a565960
134b720283740
142489175c584
15127e46b03c0
hex9ce8c3e918

673920051480 has 192 divisors, whose sum is σ = 2359128058560. Its totient is φ = 165859329024.

The previous prime is 673920051449. The next prime is 673920051521. The reversal of 673920051480 is 84150029376.

673920051480 is a `hidden beast` number, since 6 + 7 + 39 + 20 + 0 + 514 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 42734557 + ... + 42750323.

It is an arithmetic number, because the mean of its divisors is an integer number (12287125305).

It is a 1-persistent number, because it is pandigital, but 2⋅673920051480 = 1347840102960 is not.

Almost surely, 2673920051480 is an apocalyptic number.

673920051480 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 673920051480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179564029280).

673920051480 is an abundant number, since it is smaller than the sum of its proper divisors (1685208007080).

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

673920051480 is a wasteful number, since it uses less digits than its factorization.

673920051480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24930 (or 24923 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 673920051480 in words is "six hundred seventy-three billion, nine hundred twenty million, fifty-one thousand, four hundred eighty".