Search a number
-
+
25155041346 = 234891744697
BaseRepresentation
bin10111011011010110…
…110111100001000010
32101221002122111120000
4113123112313201002
5403004142310341
615320035500430
71550236215651
oct273326674102
971832574500
1025155041346
11a739401976
124a60457716
1324ab6abc66
141308bc5198
159c35ea8b6
hex5db5b7842

25155041346 has 40 divisors (see below), whose sum is σ = 56999283660. Its totient is φ = 8290795392.

The previous prime is 25155041269. The next prime is 25155041381. The reversal of 25155041346 is 64314055152.

25155041346 is a `hidden beast` number, since 2 + 5 + 15 + 504 + 134 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24605373321 + 549668025 = 156861^2 + 23445^2 .

It is a super-2 number, since 2×251550413462 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25155041346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 857931 + ... + 886766.

Almost surely, 225155041346 is an apocalyptic number.

25155041346 is an abundant number, since it is smaller than the sum of its proper divisors (31844242314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25155041346 is a wasteful number, since it uses less digits than its factorization.

25155041346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744800 (or 1744791 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 25155041346 its reverse (64314055152), we get a palindrome (89469096498).

The spelling of 25155041346 in words is "twenty-five billion, one hundred fifty-five million, forty-one thousand, three hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 81 89 162 178 267 534 801 1602 2403 4806 7209 14418 1744697 3489394 5234091 10468182 15702273 31404546 47106819 94213638 141320457 155278033 282640914 310556066 465834099 931668198 1397502297 2795004594 4192506891 8385013782 12577520673 25155041346