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47388623168 = 261301569137
BaseRepresentation
bin101100001000100101…
…010000000101000000
311112022121001111001102
4230020211100011000
51234022441420133
633434154353532
73265222436135
oct541045200500
9145277044042
1047388623168
1119108707a87
12922642b8a8
134612a45633
1424179aa58c
1513754b87e8
hexb08950140

47388623168 has 28 divisors (see below), whose sum is σ = 94109244852. Its totient is φ = 23676057600.

The previous prime is 47388623167. The next prime is 47388623231. The reversal of 47388623168 is 86132688374.

It can be written as a sum of positive squares in 2 ways, for example, as 1142980864 + 46245642304 = 33808^2 + 215048^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47388623167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201305 + ... + 367832.

It is an arithmetic number, because the mean of its divisors is an integer number (3361044459).

Almost surely, 247388623168 is an apocalyptic number.

It is an amenable number.

47388623168 is a deficient number, since it is larger than the sum of its proper divisors (46720621684).

47388623168 is a wasteful number, since it uses less digits than its factorization.

47388623168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570450 (or 570440 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 56.

The spelling of 47388623168 in words is "forty-seven billion, three hundred eighty-eight million, six hundred twenty-three thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 1301 2602 5204 10408 20816 41632 83264 569137 1138274 2276548 4553096 9106192 18212384 36424768 740447237 1480894474 2961788948 5923577896 11847155792 23694311584 47388623168