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57872453205 = 3574571206053
BaseRepresentation
bin110101111001011101…
…111000111001010101
312112101020020020012210
4311321131320321111
51422010322000310
642330343304033
74116063510240
oct657135707125
9175336206183
1057872453205
11225a8544726
12b27144b019
1355c3a45b68
142b300b6257
15178aa98820
hexd79778e55

57872453205 has 32 divisors (see below), whose sum is σ = 106055564544. Its totient is φ = 26398066176.

The previous prime is 57872453173. The next prime is 57872453227. The reversal of 57872453205 is 50235427875.

It is not a de Polignac number, because 57872453205 - 25 = 57872453173 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555042 + ... + 651011.

It is an arithmetic number, because the mean of its divisors is an integer number (3314236392).

Almost surely, 257872453205 is an apocalyptic number.

It is an amenable number.

57872453205 is a deficient number, since it is larger than the sum of its proper divisors (48183111339).

57872453205 is a wasteful number, since it uses less digits than its factorization.

57872453205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206525.

The product of its (nonzero) digits is 2352000, while the sum is 48.

The spelling of 57872453205 in words is "fifty-seven billion, eight hundred seventy-two million, four hundred fifty-three thousand, two hundred five".

Divisors: 1 3 5 7 15 21 35 105 457 1371 2285 3199 6855 9597 15995 47985 1206053 3618159 6030265 8442371 18090795 25327113 42211855 126635565 551166221 1653498663 2755831105 3858163547 8267493315 11574490641 19290817735 57872453205