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57127571172020 = 22517168022268153
BaseRepresentation
bin11001111110101000011001…
…00101100010101010110100
321111021100020122210020112002
430333110030211202222310
524441434231210001040
6321300013251514432
715014221316644466
oct1477241445425264
9244240218706462
1057127571172020
1117225737683108
1264a7857bb8a18
1325b5150982abb
141016dbc504136
15691044d54a15
hex33f50c962ab4

57127571172020 has 24 divisors (see below), whose sum is σ = 127024834724424. Its totient is φ = 21506850323456.

The previous prime is 57127571171987. The next prime is 57127571172059. The reversal of 57127571172020 is 2027117572175.

57127571172020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9980506729636 + 47147064442384 = 3159194^2 + 6866372^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84011133737 + ... + 84011134416.

It is an arithmetic number, because the mean of its divisors is an integer number (5292701446851).

Almost surely, 257127571172020 is an apocalyptic number.

It is an amenable number.

57127571172020 is an abundant number, since it is smaller than the sum of its proper divisors (69897263552404).

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

57127571172020 is a wasteful number, since it uses less digits than its factorization.

57127571172020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168022268179 (or 168022268177 counting only the distinct ones).

The product of its (nonzero) digits is 480200, while the sum is 47.

The spelling of 57127571172020 in words is "fifty-seven trillion, one hundred twenty-seven billion, five hundred seventy-one million, one hundred seventy-two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 168022268153 336044536306 672089072612 840111340765 1680222681530 2856378558601 3360445363060 5712757117202 11425514234404 14281892793005 28563785586010 57127571172020