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29940401952000 = 28345311551081
BaseRepresentation
bin1101100111011000010110…
…00001011101010100000000
310221000021102002110020020000
412303230023001131110000
512411020420344431000
6143402233014120000
76210060033343221
oct663541301352400
9127007362406200
1029940401952000
1195a37203a2531
123436798050000
1313924a2057ca7
147571a2049248
1536dc429c3000
hex1b3b0b05d500

29940401952000 has 360 divisors, whose sum is σ = 111417532378152. Its totient is φ = 7984106496000.

The previous prime is 29940401951959. The next prime is 29940401952031. The reversal of 29940401952000 is 25910404992.

29940401952000 is a `hidden beast` number, since 29 + 9 + 404 + 0 + 19 + 5 + 200 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6399119003904 + 23541282948096 = 2529648^2 + 4851936^2 .

It is a tau number, because it is divible by the number of its divisors (360).

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3183541 + ... + 8367540.

Almost surely, 229940401952000 is an apocalyptic number.

29940401952000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29940401952000 is an abundant number, since it is smaller than the sum of its proper divisors (81477130426152).

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

29940401952000 is an equidigital number, since it uses as much as digits as its factorization.

29940401952000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11551124 (or 11551091 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 29940401952000 in words is "twenty-nine trillion, nine hundred forty billion, four hundred one million, nine hundred fifty-two thousand".