Search a number
-
+
25152241161 = 3127439150379
BaseRepresentation
bin10111011011001100…
…001011111000001001
32101220220101020102110
4113123030023320021
5403002433204121
615315455452533
71550203344105
oct273314137011
971826336373
1025152241161
11a73786a073
124a5b527149
1324aac3b548
141308696905
159c3245d76
hex5db30be09

25152241161 has 16 divisors (see below), whose sum is σ = 33877606400. Its totient is φ = 16598122128.

The previous prime is 25152241141. The next prime is 25152241181. The reversal of 25152241161 is 16114225152.

It is an interprime number because it is at equal distance from previous prime (25152241141) and next prime (25152241181).

It is not a de Polignac number, because 25152241161 - 25 = 25152241129 is a prime.

It is a super-2 number, since 2×251522411612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25152241141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92070 + ... + 242448.

It is an arithmetic number, because the mean of its divisors is an integer number (2117350400).

Almost surely, 225152241161 is an apocalyptic number.

It is an amenable number.

25152241161 is a deficient number, since it is larger than the sum of its proper divisors (8725365239).

25152241161 is a wasteful number, since it uses less digits than its factorization.

25152241161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150948.

The product of its digits is 4800, while the sum is 30.

The spelling of 25152241161 in words is "twenty-five billion, one hundred fifty-two million, two hundred forty-one thousand, one hundred sixty-one".

Divisors: 1 3 127 381 439 1317 55753 150379 167259 451137 19098133 57294399 66016381 198049143 8384080387 25152241161