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29067581920 = 25513175913933
BaseRepresentation
bin11011000100100100…
…000001100111100000
32210000202210011020011
4123010210001213200
5434012300110140
621204203054304
72046215240536
oct330444014740
983022704204
1029067581920
111136698a583
125772811394
13298315ac20
14159a690156
15b51d46cea
hex6c49019e0

29067581920 has 192 divisors, whose sum is σ = 79637826240. Its totient is φ = 9929392128.

The previous prime is 29067581863. The next prime is 29067581981. The reversal of 29067581920 is 2918576092.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2079274 + ... + 2093206.

It is an arithmetic number, because the mean of its divisors is an integer number (414780345).

Almost surely, 229067581920 is an apocalyptic number.

29067581920 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 29067581920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39818913120).

29067581920 is an abundant number, since it is smaller than the sum of its proper divisors (50570244320).

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

29067581920 is a wasteful number, since it uses less digits than its factorization.

29067581920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14037 (or 14029 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 29067581920 in words is "twenty-nine billion, sixty-seven million, five hundred eighty-one thousand, nine hundred twenty".