Search a number
-
+
173025421641 = 321953121315739
BaseRepresentation
bin1010000100100100011…
…1100110100101001001
3121112121102212010101200
42201021013212211021
510313324001443031
6211253051134413
715333505550262
oct2411107464511
9545542763350
10173025421641
116741a381236
1229649a44409
131341599c6c7
1485357b9969
15477a2618e6
hex28491e6949

173025421641 has 48 divisors (see below), whose sum is σ = 268281374400. Its totient is φ = 107122144896.

The previous prime is 173025421627. The next prime is 173025421651. The reversal of 173025421641 is 146124520371.

173025421641 is a `hidden beast` number, since 1 + 7 + 3 + 0 + 2 + 5 + 4 + 2 + 1 + 641 = 666.

It is not a de Polignac number, because 173025421641 - 26 = 173025421577 is a prime.

It is a super-2 number, since 2×1730254216412 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 173025421596 and 173025421605.

It is not an unprimeable number, because it can be changed into a prime (173025421651) 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, 10985550 + ... + 11001288.

It is an arithmetic number, because the mean of its divisors is an integer number (5589195300).

Almost surely, 2173025421641 is an apocalyptic number.

It is an amenable number.

173025421641 is a deficient number, since it is larger than the sum of its proper divisors (95255952759).

173025421641 is a wasteful number, since it uses less digits than its factorization.

173025421641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17030 (or 17027 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 173025421641 in words is "one hundred seventy-three billion, twenty-five million, four hundred twenty-one thousand, six hundred forty-one".

Divisors: 1 3 9 19 53 57 159 171 477 1007 1213 3021 3639 9063 10917 15739 23047 47217 64289 69141 141651 192867 207423 299041 578601 834167 897123 1221491 2502501 2691369 3664473 7507503 10993419 15849173 19091407 47547519 57274221 142642557 171822663 362736733 1011844571 1088210199 3035533713 3264630597 9106601139 19225046849 57675140547 173025421641