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47220332672 = 27192072
BaseRepresentation
bin101011111110100011…
…010001100010000000
311111212212101102220002
4223332203101202000
51233201401121142
633405343335132
73261110130242
oct537643214200
9144785342802
1047220332672
1119031712927
129199bb14a8
1345b6c11466
1423dd4c0092
151365824a32
hexafe8d1880

47220332672 has 24 divisors (see below), whose sum is σ = 94076654535. Its totient is φ = 23608937088.

The previous prime is 47220332629. The next prime is 47220332681. The reversal of 47220332672 is 27623302274.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 23610166336 + 23610166336 = 153656^2 + 153656^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=153656.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2448893 + ... + 2468099.

Almost surely, 247220332672 is an apocalyptic number.

It is an amenable number.

47220332672 is a deficient number, since it is larger than the sum of its proper divisors (46856321863).

47220332672 is an frugal number, since it uses more digits than its factorization.

47220332672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38428 (or 19209 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 38.

The spelling of 47220332672 in words is "forty-seven billion, two hundred twenty million, three hundred thirty-two thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 19207 38414 76828 153656 307312 614624 1229248 2458496 368908849 737817698 1475635396 2951270792 5902541584 11805083168 23610166336 47220332672