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57403955052 = 22321594554307
BaseRepresentation
bin110101011101100010…
…101101011101101100
312111011120200001120100
4311131202231131230
51420030403030202
642212045551100
74101344365353
oct653542553554
9174146601510
1057403955052
1122388044074
12b160575490
13554a970512
142ac7ba099a
15175e8a441c
hexd5d8ad76c

57403955052 has 18 divisors (see below), whose sum is σ = 145104442028. Its totient is φ = 19134651672.

The previous prime is 57403955009. The next prime is 57403955099. The reversal of 57403955052 is 25055930475.

57403955052 is a `hidden beast` number, since 5 + 7 + 40 + 3 + 9 + 550 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×574039550522 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57403954989 and 57403955007.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 797277118 + ... + 797277189.

Almost surely, 257403955052 is an apocalyptic number.

It is an amenable number.

57403955052 is an abundant number, since it is smaller than the sum of its proper divisors (87700486976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57403955052 is a wasteful number, since it uses less digits than its factorization.

57403955052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594554317 (or 1594554312 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 45.

The spelling of 57403955052 in words is "fifty-seven billion, four hundred three million, nine hundred fifty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 1594554307 3189108614 4783662921 6378217228 9567325842 14350988763 19134651684 28701977526 57403955052