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57253780827 = 33460492
BaseRepresentation
bin110101010100100101…
…110101110101011011
312110210010002102021000
4311110211311311123
51414223431441302
642145123120043
74064542051545
oct652445656533
9173703072230
1057253780827
11223102a2a41
12b11a213023
135525810229
142ab1c6c695
1517515dd31c
hexd54975d5b

57253780827 has 12 divisors (see below), whose sum is σ = 84822258040. Its totient is φ = 38168358336.

The previous prime is 57253780819. The next prime is 57253780847. The reversal of 57253780827 is 72808735275.

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.

57253780827 is a `hidden beast` number, since 5 + 7 + 2 + 537 + 80 + 8 + 27 = 666.

It is not a de Polignac number, because 57253780827 - 23 = 57253780819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57253780847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1220299 + ... + 1266347.

Almost surely, 257253780827 is an apocalyptic number.

57253780827 is a deficient number, since it is larger than the sum of its proper divisors (27568477213).

57253780827 is an frugal number, since it uses more digits than its factorization.

57253780827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92107 (or 46052 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 54.

The spelling of 57253780827 in words is "fifty-seven billion, two hundred fifty-three million, seven hundred eighty thousand, eight hundred twenty-seven".

Divisors: 1 3 9 27 46049 138147 414441 1243323 2120510401 6361531203 19084593609 57253780827