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29489750400 = 27352111716427
BaseRepresentation
bin11011011101101110…
…011110000110000000
32211010012011112111210
4123131232132012000
5440343334003100
621314123410120
72062532512455
oct333556360600
984105145453
1029489750400
1111563216a50
125870083940
132a1c761966
1415da78582c
15b78e38c50
hex6ddb9e180

29489750400 has 384 divisors, whose sum is σ = 112201925760. Its totient is φ = 6728089600.

The previous prime is 29489750377. The next prime is 29489750431. The reversal of 29489750400 is 405798492.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 29489750400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1786987 + ... + 1803413.

It is an arithmetic number, because the mean of its divisors is an integer number (292192515).

Almost surely, 229489750400 is an apocalyptic number.

29489750400 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 29489750400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56100962880).

29489750400 is an abundant number, since it is smaller than the sum of its proper divisors (82712175360).

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

29489750400 is a wasteful number, since it uses less digits than its factorization.

29489750400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16482 (or 16465 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 29489750400 in words is "twenty-nine billion, four hundred eighty-nine million, seven hundred fifty thousand, four hundred".