Search a number
-
+
2557550775255 = 35771343065161
BaseRepresentation
bin100101001101111001111…
…001111100101111010111
3100001111111002222212020020
4211031321321330233113
5313400330444302010
65234531141040223
7352530330620250
oct45157171745727
910044432885206
102557550775255
118a6718812563
123538066b6073
131572398aa0c8
148bb01171b27
15467db317470
hex25379e7cbd7

2557550775255 has 32 divisors (see below), whose sum is σ = 4742532799488. Its totient is φ = 1152698937600.

The previous prime is 2557550775167. The next prime is 2557550775257. The reversal of 2557550775255 is 5525770557552.

It is not a de Polignac number, because 2557550775255 - 29 = 2557550774743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557550775257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171525126 + ... + 171540035.

It is an arithmetic number, because the mean of its divisors is an integer number (148204149984).

Almost surely, 22557550775255 is an apocalyptic number.

2557550775255 is a deficient number, since it is larger than the sum of its proper divisors (2184982024233).

2557550775255 is a wasteful number, since it uses less digits than its factorization.

2557550775255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343065247.

The product of its (nonzero) digits is 107187500, while the sum is 60.

The spelling of 2557550775255 in words is "two trillion, five hundred fifty-seven billion, five hundred fifty million, seven hundred seventy-five thousand, two hundred fifty-five".

Divisors: 1 3 5 7 15 21 35 71 105 213 355 497 1065 1491 2485 7455 343065161 1029195483 1715325805 2401456127 5145977415 7204368381 12007280635 24357626431 36021841905 73072879293 121788132155 170503385017 365364396465 511510155051 852516925085 2557550775255