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29078064288 = 2535713229109
BaseRepresentation
bin11011000101001100…
…000000110010100000
32210001111111201100000
4123011030000302200
5434022441024123
621205215500000
72046403316430
oct330514006240
983044451300
1029078064288
111137189a099
125776227600
13298538b200
14159bc1c2c0
15b52c17b43
hex6c5300ca0

29078064288 has 864 divisors, whose sum is σ = 110789078400. Its totient is φ = 7336562688.

The previous prime is 29078064233. The next prime is 29078064311. The reversal of 29078064288 is 88246087092.

29078064288 is a `hidden beast` number, since 290 + 78 + 0 + 6 + 4 + 288 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 266771178 + ... + 266771286.

It is an arithmetic number, because the mean of its divisors is an integer number (128228100).

Almost surely, 229078064288 is an apocalyptic number.

29078064288 is a gapful number since it is divisible by the number (28) 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 29078064288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55394539200).

29078064288 is an abundant number, since it is smaller than the sum of its proper divisors (81711014112).

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

29078064288 is a wasteful number, since it uses less digits than its factorization.

29078064288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 29078064288 in words is "twenty-nine billion, seventy-eight million, sixty-four thousand, two hundred eighty-eight".