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47781197484 = 2235375127669
BaseRepresentation
bin101100011111111110…
…110011011010101100
311120022221202022202220
4230133332303122230
51240323441304414
633541140515340
73311030322516
oct543776633254
9146287668686
1047781197484
111929a270969
1293159abb50
134676187027
142453b9abb6
151399bb1ca9
hexb1ffb36ac

47781197484 has 24 divisors (see below), whose sum is σ = 113593037040. Its totient is φ = 15626554944.

The previous prime is 47781197449. The next prime is 47781197531. The reversal of 47781197484 is 48479118774.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37563199 + ... + 37564470.

It is an arithmetic number, because the mean of its divisors is an integer number (4733043210).

Almost surely, 247781197484 is an apocalyptic number.

It is an amenable number.

47781197484 is an abundant number, since it is smaller than the sum of its proper divisors (65811839556).

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

47781197484 is a wasteful number, since it uses less digits than its factorization.

47781197484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75127729 (or 75127727 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 60.

The spelling of 47781197484 in words is "forty-seven billion, seven hundred eighty-one million, one hundred ninety-seven thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 75127669 150255338 225383007 300510676 450766014 901532028 3981766457 7963532914 11945299371 15927065828 23890598742 47781197484