Search a number
-
+
25052525050 = 2527193767297
BaseRepresentation
bin10111010101001111…
…110011000111111010
32101122221202010122011
4113111033303013322
5402301421300200
615301534320134
71544552643430
oct272517630772
971587663564
1025052525050
11a696551963
124a3205904a
132493397027
1412d933ad50
159b95ea5ba
hex5d53f31fa

25052525050 has 48 divisors (see below), whose sum is σ = 56057394240. Its totient is φ = 8137359360.

The previous prime is 25052525041. The next prime is 25052525051. The reversal of 25052525050 is 5052525052.

It is a super-2 number, since 2×250525250502 (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (25052525051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1876999 + ... + 1890298.

It is an arithmetic number, because the mean of its divisors is an integer number (1167862380).

Almost surely, 225052525050 is an apocalyptic number.

25052525050 is an abundant number, since it is smaller than the sum of its proper divisors (31004869190).

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

25052525050 is a wasteful number, since it uses less digits than its factorization.

25052525050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767335 (or 3767330 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The spelling of 25052525050 in words is "twenty-five billion, fifty-two million, five hundred twenty-five thousand, fifty".

Divisors: 1 2 5 7 10 14 19 25 35 38 50 70 95 133 175 190 266 350 475 665 950 1330 3325 6650 3767297 7534594 18836485 26371079 37672970 52742158 71578643 94182425 131855395 143157286 188364850 263710790 357893215 501050501 659276975 715786430 1002101002 1318553950 1789466075 2505252505 3578932150 5010505010 12526262525 25052525050