Search a number
-
+
25234052012 = 221318112172203
BaseRepresentation
bin10111100000000100…
…010001001110101100
32102010121022122210222
4113200010101032230
5403134404131022
615331541150512
71552215621521
oct274004211654
972117278728
1025234052012
11a779a67844
124a829bb438
1324c1b83c30
1413154b1148
159ca506242
hex5e01113ac

25234052012 has 48 divisors (see below), whose sum is σ = 47880242592. Its totient is φ = 11567370240.

The previous prime is 25234051991. The next prime is 25234052089. The reversal of 25234052012 is 21025043252.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11453303 + ... + 11455505.

It is an arithmetic number, because the mean of its divisors is an integer number (997505054).

Almost surely, 225234052012 is an apocalyptic number.

It is an amenable number.

25234052012 is a deficient number, since it is larger than the sum of its proper divisors (22646190580).

25234052012 is a wasteful number, since it uses less digits than its factorization.

25234052012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618 (or 3616 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 25234052012 its reverse (21025043252), we get a palindrome (46259095264).

The spelling of 25234052012 in words is "twenty-five billion, two hundred thirty-four million, fifty-two thousand, twelve".

Divisors: 1 2 4 13 26 52 181 362 724 1217 2203 2353 2434 4406 4706 4868 8812 9412 15821 28639 31642 57278 63284 114556 220277 398743 440554 797486 881108 1594972 2681051 2863601 5183659 5362102 5727202 10367318 10724204 11454404 20734636 34853663 69707326 139414652 485270231 970540462 1941080924 6308513003 12617026006 25234052012