Search a number
-
+
257158562090211 = 323110310698371087
BaseRepresentation
bin111010011110001001100100…
…101111101000110011100011
31020201112010012100022001200100
4322132021210233220303203
5232201241213343341321
62310533002412153443
7105111043616605425
oct7236114457506343
91221463170261610
10257158562090211
1174a3637420aa41
1224a13076168883
13b064c436b42a2
14477077ddd8815
151eae43ea08326
hexe9e264be8ce3

257158562090211 has 48 divisors (see below), whose sum is σ = 387518423818240. Its totient is φ = 164144272409280.

The previous prime is 257158562090167. The next prime is 257158562090233. The reversal of 257158562090211 is 112090265851752.

It is a happy number.

257158562090211 is a `hidden beast` number, since 2 + 5 + 7 + 1 + 5 + 8 + 5 + 620 + 9 + 0 + 2 + 1 + 1 = 666.

It is not a de Polignac number, because 257158562090211 - 215 = 257158562057443 is a prime.

It is a super-2 number, since 2×2571585620902112 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257158512090211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26534310 + ... + 34905396.

Almost surely, 2257158562090211 is an apocalyptic number.

257158562090211 is a deficient number, since it is larger than the sum of its proper divisors (130359861728029).

257158562090211 is a wasteful number, since it uses less digits than its factorization.

257158562090211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8372296 (or 8372293 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 54.

The spelling of 257158562090211 in words is "two hundred fifty-seven trillion, one hundred fifty-eight billion, five hundred sixty-two million, ninety thousand, two hundred eleven".

Divisors: 1 3 9 31 93 103 279 309 927 1069 3193 3207 9579 9621 28737 33139 99417 110107 298251 330321 990963 3413317 8371087 10239951 25113261 30719853 75339783 259503697 778511091 862221961 2335533273 2586665883 7759997649 8948692003 26728880791 26846076009 80186642373 80538228027 240559927119 277409452093 832228356279 921715276309 2496685068837 2765145828927 8295437486781 28573173565579 85719520696737 257158562090211