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47897053729 = 77549906403
BaseRepresentation
bin101100100110111000…
…110000101000100001
311120122000202102122221
4230212320300220201
51241043121204404
634000440031041
73313635145030
oct544670605041
9146560672587
1047897053729
1119349702428
129348762481
13469418cb15
142465318717
1513a4e49954
hexb26e30a21

47897053729 has 8 divisors (see below), whose sum is σ = 54746801600. Its totient is φ = 41049133776.

The previous prime is 47897053651. The next prime is 47897053817. The reversal of 47897053729 is 92735079874.

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

It is not a de Polignac number, because 47897053729 - 211 = 47897051681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47897053229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400359 + ... + 506044.

It is an arithmetic number, because the mean of its divisors is an integer number (6843350200).

Almost surely, 247897053729 is an apocalyptic number.

It is an amenable number.

47897053729 is a deficient number, since it is larger than the sum of its proper divisors (6849747871).

47897053729 is an equidigital number, since it uses as much as digits as its factorization.

47897053729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913959.

The product of its (nonzero) digits is 26671680, while the sum is 61.

The spelling of 47897053729 in words is "forty-seven billion, eight hundred ninety-seven million, fifty-three thousand, seven hundred twenty-nine".

Divisors: 1 7 7549 52843 906403 6344821 6842436247 47897053729