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29885485312 = 28263443879
BaseRepresentation
bin11011110101010100…
…000101000100000000
32212010202210221202101
4123311110011010000
5442201141012222
621421301400144
72105406301534
oct336524050400
985122727671
1029885485312
11117466394a1
125960709054
132a8373bb27
141637159bc4
15b9da58927
hex6f5505100

29885485312 has 36 divisors (see below), whose sum is σ = 59881187520. Its totient is φ = 14885892608.

The previous prime is 29885485309. The next prime is 29885485351. The reversal of 29885485312 is 21358458892.

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 3 ways as a sum of consecutive naturals, for example, 154612 + ... + 289267.

It is an arithmetic number, because the mean of its divisors is an integer number (1663366320).

Almost surely, 229885485312 is an apocalyptic number.

It is an amenable number.

29885485312 is an abundant number, since it is smaller than the sum of its proper divisors (29995702208).

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

29885485312 is an equidigital number, since it uses as much as digits as its factorization.

29885485312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444158 (or 444144 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 55.

The spelling of 29885485312 in words is "twenty-nine billion, eight hundred eighty-five million, four hundred eighty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 256 263 526 1052 2104 4208 8416 16832 33664 67328 443879 887758 1775516 3551032 7102064 14204128 28408256 56816512 113633024 116740177 233480354 466960708 933921416 1867842832 3735685664 7471371328 14942742656 29885485312