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47728122790 = 254772812279
BaseRepresentation
bin101100011100110100…
…010101101110100110
311120012020212211222111
4230130310111232212
51240221344412130
633532003151234
73306514231015
oct543464255646
9146166784874
1047728122790
1119272310087
12930007551a
13466819329a
14244ab02a7c
1513951cb02a
hexb1cd15ba6

47728122790 has 8 divisors (see below), whose sum is σ = 85910621040. Its totient is φ = 19091249112.

The previous prime is 47728122769. The next prime is 47728122811. The reversal of 47728122790 is 9722182774.

It is an interprime number because it is at equal distance from previous prime (47728122769) and next prime (47728122811).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386406130 + ... + 2386406149.

It is an arithmetic number, because the mean of its divisors is an integer number (10738827630).

Almost surely, 247728122790 is an apocalyptic number.

47728122790 is a deficient number, since it is larger than the sum of its proper divisors (38182498250).

47728122790 is a wasteful number, since it uses less digits than its factorization.

47728122790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772812286.

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 47728122790 in words is "forty-seven billion, seven hundred twenty-eight million, one hundred twenty-two thousand, seven hundred ninety".

Divisors: 1 2 5 10 4772812279 9545624558 23864061395 47728122790