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47750000824 = 23137373116803
BaseRepresentation
bin101100011110000111…
…110011000010111000
311120020210001101000001
4230132013303002320
51240243000011244
633534104122344
73310201211251
oct543607630270
9146223041001
1047750000824
11192836a33a9
1293074663b4
13466c883476
14244d999b28
15139709d5d4
hexb1e1f30b8

47750000824 has 32 divisors (see below), whose sum is σ = 90427320720. Its totient is φ = 23636987136.

The previous prime is 47750000759. The next prime is 47750000849. The reversal of 47750000824 is 42800005774.

47750000824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350407 + ... + 467209.

Almost surely, 247750000824 is an apocalyptic number.

47750000824 is the 116803-rd nonagonal number.

It is an amenable number.

47750000824 is a deficient number, since it is larger than the sum of its proper divisors (42677319896).

47750000824 is a wasteful number, since it uses less digits than its factorization.

47750000824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117319 (or 117315 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The spelling of 47750000824 in words is "forty-seven billion, seven hundred fifty million, eight hundred twenty-four", and thus it is an aban number.

Divisors: 1 2 4 8 137 274 373 548 746 1096 1492 2984 51101 102202 116803 204404 233606 408808 467212 934424 16002011 32004022 43567519 64008044 87135038 128016088 174270076 348540152 5968750103 11937500206 23875000412 47750000824