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248645161193 = 11131913908927
BaseRepresentation
bin1110011110010001101…
…0000001000011101001
3212202210111201220200012
43213210122001003221
513033211130124233
6310120452421305
723651441666252
oct3474432010351
9782714656605
10248645161193
11964a4790860
1240232917835
131a5a7493220
14c06a8d7b29
156703de5548
hex39e46810e9

248645161193 has 16 divisors (see below), whose sum is σ = 292267616256. Its totient is φ = 208543981440.

The previous prime is 248645161183. The next prime is 248645161277. The reversal of 248645161193 is 391161546842.

It is a cyclic number.

It is not a de Polignac number, because 248645161193 - 226 = 248578052329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248645161183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180905 + ... + 728022.

It is an arithmetic number, because the mean of its divisors is an integer number (18266726016).

Almost surely, 2248645161193 is an apocalyptic number.

It is an amenable number.

248645161193 is a deficient number, since it is larger than the sum of its proper divisors (43622455063).

248645161193 is a wasteful number, since it uses less digits than its factorization.

248645161193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910864.

The product of its digits is 1244160, while the sum is 50.

The spelling of 248645161193 in words is "two hundred forty-eight billion, six hundred forty-five million, one hundred sixty-one thousand, one hundred ninety-three".

Divisors: 1 11 13 143 1913 21043 24869 273559 908927 9998197 11816051 129976561 1738777351 19126550861 22604105563 248645161193