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29998080000 = 2133354731
BaseRepresentation
bin11011111100000001…
…100110000000000000
32212102121200100122000
4123330001212000000
5442414002030000
621440402544000
72111244321120
oct337401460000
985377610560
1029998080000
11117a4152559
125992368000
132aa0b721c5
1416480a8c80
15ba889a000
hex6fc066000

29998080000 has 1120 divisors, whose sum is σ = 131022059520. Its totient is φ = 6635520000.

The previous prime is 29998079989. The next prime is 29998080071. The reversal of 29998080000 is 8089992.

It is a tau number, because it is divible by the number of its divisors (1120).

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 polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 967679985 + ... + 967680015.

Almost surely, 229998080000 is an apocalyptic number.

29998080000 is a gapful number since it is divisible by the number (20) 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 29998080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65511029760).

29998080000 is an abundant number, since it is smaller than the sum of its proper divisors (101023979520).

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

29998080000 is an frugal number, since it uses more digits than its factorization.

29998080000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 29998080000 in words is "twenty-nine billion, nine hundred ninety-eight million, eighty thousand".