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80480400000 = 273557111367
BaseRepresentation
bin100101011110100000…
…0010111001010000000
321200201211001220220120
41022331000113022000
52304310440300000
6100545554140240
75546244053460
oct1127500271200
9250654056816
1080480400000
113114a0a6780
1213720881680
137787816880
143c768abba0
1521607646a0
hex12bd017280

80480400000 has 1536 divisors, whose sum is σ = 364116695040. Its totient is φ = 15206400000.

The previous prime is 80480399983. The next prime is 80480400017. The reversal of 80480400000 is 408408.

It is an interprime number because it is at equal distance from previous prime (80480399983) and next prime (80480400017).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1201199967 + ... + 1201200033.

It is an arithmetic number, because the mean of its divisors is an integer number (237055140).

Almost surely, 280480400000 is an apocalyptic number.

80480400000 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 80480400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182058347520).

80480400000 is an abundant number, since it is smaller than the sum of its proper divisors (283636295040).

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

80480400000 is a wasteful number, since it uses less digits than its factorization.

80480400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 80480400000 its reverse (408408), we get a palindrome (80480808408).

The spelling of 80480400000 in words is "eighty billion, four hundred eighty million, four hundred thousand".