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472748454632238 = 2378791409105373
BaseRepresentation
bin110101101111101100101001…
…1101101001101101100101110
32021222212022101122011111020020
41223133121103231031230232
5443431002313341212423
64353241350351503010
7201401643261332361
oct15337312355155456
92258768348144206
10472748454632238
111276a5548127604
1245031998b27a66
13173a2cac7aa675
1484a520c2420d8
15399c413a424e3
hex1adf653b4db2e

472748454632238 has 8 divisors (see below), whose sum is σ = 945496909264488. Its totient is φ = 157582818210744.

The previous prime is 472748454632183. The next prime is 472748454632249. The reversal of 472748454632238 is 832236454847274.

It is a sphenic number, since it is the product of 3 distinct primes.

472748454632238 is an admirable number.

It is a super-2 number, since 2×4727484546322382 (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39395704552681 + ... + 39395704552692.

It is an arithmetic number, because the mean of its divisors is an integer number (118187113658061).

Almost surely, 2472748454632238 is an apocalyptic number.

472748454632238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

472748454632238 is a wasteful number, since it uses less digits than its factorization.

472748454632238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78791409105378.

The product of its digits is 1734082560, while the sum is 69.

The spelling of 472748454632238 in words is "four hundred seventy-two trillion, seven hundred forty-eight billion, four hundred fifty-four million, six hundred thirty-two thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 78791409105373 157582818210746 236374227316119 472748454632238