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57648121441 = 436720009761
BaseRepresentation
bin110101101100000110…
…001000011001100001
312111210121002222212221
4311230012020121201
51421030404341231
642252211151041
74110400642621
oct655406103141
9174717088787
1057648121441
11224a2952979
12b20a2a5481
13558941c881
142b0c39c881
151776034d11
hexd6c188661

57648121441 has 8 divisors (see below), whose sum is σ = 59869207904. Its totient is φ = 55467054720.

The previous prime is 57648121429. The next prime is 57648121561. The reversal of 57648121441 is 14412184675.

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

It is a cyclic number.

It is not a de Polignac number, because 57648121441 - 25 = 57648121409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57648131441) 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, 10002000 + ... + 10007761.

It is an arithmetic number, because the mean of its divisors is an integer number (7483650988).

Almost surely, 257648121441 is an apocalyptic number.

It is an amenable number.

57648121441 is a deficient number, since it is larger than the sum of its proper divisors (2221086463).

57648121441 is a wasteful number, since it uses less digits than its factorization.

57648121441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20009871.

The product of its digits is 215040, while the sum is 43.

The spelling of 57648121441 in words is "fifty-seven billion, six hundred forty-eight million, one hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 43 67 2881 20009761 860419723 1340653987 57648121441