Search a number
-
+
25152053340 = 22353061136949
BaseRepresentation
bin10111011011001011…
…011110000001011100
32101220220000200210010
4113123023132001130
5403002411201330
615315451443220
71550201632401
oct273313360134
971826020703
1025152053340
11a737750a47
124a5b456510
1324aaba3bcb
1413086482a8
159c320a3b0
hex5db2de05c

25152053340 has 48 divisors (see below), whose sum is σ = 70449271200. Its totient is φ = 6704974080.

The previous prime is 25152053293. The next prime is 25152053357. The reversal of 25152053340 is 4335025152.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 25152053298 and 25152053307.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 115186 + ... + 252134.

It is an arithmetic number, because the mean of its divisors is an integer number (1467693150).

Almost surely, 225152053340 is an apocalyptic number.

25152053340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25152053340 is an abundant number, since it is smaller than the sum of its proper divisors (45297217860).

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

25152053340 is a wasteful number, since it uses less digits than its factorization.

25152053340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140022 (or 140020 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 25152053340 its reverse (4335025152), we get a palindrome (29487078492).

The spelling of 25152053340 in words is "twenty-five billion, one hundred fifty-two million, fifty-three thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3061 6122 9183 12244 15305 18366 30610 36732 45915 61220 91830 136949 183660 273898 410847 547796 684745 821694 1369490 1643388 2054235 2738980 4108470 8216940 419200889 838401778 1257602667 1676803556 2096004445 2515205334 4192008890 5030410668 6288013335 8384017780 12576026670 25152053340