Search a number
-
+
161524097193 = 3472487746049
BaseRepresentation
bin1001011001101110010…
…1100010000010101001
3120102220220002022022010
42112123211202002221
510121300132102233
6202111513550133
714445501113154
oct2263345420251
9512826068263
10161524097193
1162558161a18
122737a115349
1312301c48194
147b640cac9b
154305696b63
hex259b9620a9

161524097193 has 16 divisors (see below), whose sum is σ = 219961324800. Its totient is φ = 105385084416.

The previous prime is 161524097183. The next prime is 161524097197. The reversal of 161524097193 is 391790425161.

It is not a de Polignac number, because 161524097193 - 210 = 161524096169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161524097197) 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, 3484633 + ... + 3530681.

It is an arithmetic number, because the mean of its divisors is an integer number (13747582800).

Almost surely, 2161524097193 is an apocalyptic number.

It is an amenable number.

161524097193 is a deficient number, since it is larger than the sum of its proper divisors (58437227607).

161524097193 is a wasteful number, since it uses less digits than its factorization.

161524097193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70976.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 161524097193 in words is "one hundred sixty-one billion, five hundred twenty-four million, ninety-seven thousand, one hundred ninety-three".

Divisors: 1 3 47 141 24877 46049 74631 138147 1169219 2164303 3507657 6492909 1145560973 3436682919 53841365731 161524097193