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98288640000 = 213355479
BaseRepresentation
bin101101110001001110…
…1011010000000000000
3100101200220102020200000
41123202131122000000
53102243342440000
6113053030400000
710046453440515
oct1334235320000
9311626366600
1098288640000
1138758413aa1
1217070800000
1393650b65a5
144a85a5d30c
152853d90000
hex16e275a000

98288640000 has 840 divisors, whose sum is σ = 372593981760. Its totient is φ = 25878528000.

The previous prime is 98288639989. The next prime is 98288640017. The reversal of 98288640000 is 4688289.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1244159961 + ... + 1244160039.

It is an arithmetic number, because the mean of its divisors is an integer number (443564264).

Almost surely, 298288640000 is an apocalyptic number.

98288640000 is a gapful number since it is divisible by the number (90) 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 98288640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186296990880).

98288640000 is an abundant number, since it is smaller than the sum of its proper divisors (274305341760).

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

98288640000 is an frugal number, since it uses more digits than its factorization.

98288640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 98288640000 in words is "ninety-eight billion, two hundred eighty-eight million, six hundred forty thousand".