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47123256848 = 244171834233
BaseRepresentation
bin101011111000110000…
…111101011000010000
311111122002201110220012
4223320300331120100
51233002023204343
633351554534052
73255521034323
oct537060753020
9144562643805
1047123256848
1118a91939378
129171597328
13459ca82945
1423d06507ba
15135c04b718
hexaf8c3d610

47123256848 has 20 divisors (see below), whose sum is σ = 93528172668. Its totient is φ = 22986954240.

The previous prime is 47123256841. The next prime is 47123256857. The reversal of 47123256848 is 84865232174.

It can be written as a sum of positive squares in 2 ways, for example, as 15027817744 + 32095439104 = 122588^2 + 179152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47123256796 and 47123256805.

It is not an unprimeable number, because it can be changed into a prime (47123256841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35916461 + ... + 35917772.

Almost surely, 247123256848 is an apocalyptic number.

It is an amenable number.

47123256848 is a deficient number, since it is larger than the sum of its proper divisors (46404915820).

47123256848 is a wasteful number, since it uses less digits than its factorization.

47123256848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71834282 (or 71834276 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 50.

The spelling of 47123256848 in words is "forty-seven billion, one hundred twenty-three million, two hundred fifty-six thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 41 82 164 328 656 71834233 143668466 287336932 574673864 1149347728 2945203553 5890407106 11780814212 23561628424 47123256848