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80460045120 = 26357134321419
BaseRepresentation
bin100101011101111001…
…0101101101101000000
321200200101202210021010
41022323302231231000
52304240232420440
6100543550000520
75545606046010
oct1127362555500
9250611683233
1080460045120
1131139663864
1213715aa6140
13778353aa70
143c73ccdc40
15215da93580
hex12bbcadb40

80460045120 has 448 divisors, whose sum is σ = 321740052480. Its totient is φ = 16580616192.

The previous prime is 80460045119. The next prime is 80460045181. The reversal of 80460045120 is 2154006408.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (30).

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 63 ways as a sum of consecutive naturals, for example, 3745771 + ... + 3767189.

It is an arithmetic number, because the mean of its divisors is an integer number (718169760).

Almost surely, 280460045120 is an apocalyptic number.

80460045120 is a gapful number since it is divisible by the number (80) 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 80460045120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160870026240).

80460045120 is an abundant number, since it is smaller than the sum of its proper divisors (241280007360).

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

80460045120 is a wasteful number, since it uses less digits than its factorization.

80460045120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21502 (or 21492 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 80460045120 in words is "eighty billion, four hundred sixty million, forty-five thousand, one hundred twenty".