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57404280101 = 7311621163193
BaseRepresentation
bin110101011101100011…
…111100110100100101
312111011121021120110012
4311131203330310211
51420030443430401
642212100540005
74101350221130
oct653543746445
9174147246405
1057404280101
1122388246303
12b1606b1605
13554aa5545c
142ac7c47217
15175e91a8bb
hexd5d8fcd25

57404280101 has 16 divisors (see below), whose sum is σ = 67763371008. Its totient is φ = 47586787200.

The previous prime is 57404280071. The next prime is 57404280149. The reversal of 57404280101 is 10108240475.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 57404280101 - 210 = 57404279077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57404280181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270161 + ... + 433353.

It is an arithmetic number, because the mean of its divisors is an integer number (4235210688).

Almost surely, 257404280101 is an apocalyptic number.

It is an amenable number.

57404280101 is a deficient number, since it is larger than the sum of its proper divisors (10359090907).

57404280101 is a wasteful number, since it uses less digits than its factorization.

57404280101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164852.

The product of its (nonzero) digits is 8960, while the sum is 32.

The spelling of 57404280101 in words is "fifty-seven billion, four hundred four million, two hundred eighty thousand, one hundred one".

Divisors: 1 7 31 217 1621 11347 50251 163193 351757 1142351 5058983 35412881 264535853 1851750971 8200611443 57404280101