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25227072200 = 235211210212
BaseRepresentation
bin10111011111101001…
…101001001011001000
32102010010012001022102
4113133221221023020
5403131112302300
615331131412532
71552102401311
oct273751511310
972103161272
1025227072200
11a77602a800
124a805b4148
1324c05abc75
1413145b5608
159c9ac80d5
hex5dfa692c8

25227072200 has 108 divisors (see below), whose sum is σ = 64532969235. Its totient is φ = 9164496000.

The previous prime is 25227072149. The next prime is 25227072203. The reversal of 25227072200 is 227072252.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 11118858916 + 14108213284 = 105446^2 + 118778^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=112310.

It is not an unprimeable number, because it can be changed into a prime (25227072203) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 24707690 + ... + 24708710.

Almost surely, 225227072200 is an apocalyptic number.

25227072200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25227072200

25227072200 is an abundant number, since it is smaller than the sum of its proper divisors (39305897035).

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

25227072200 is a wasteful number, since it uses less digits than its factorization.

25227072200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The spelling of 25227072200 in words is "twenty-five billion, two hundred twenty-seven million, seventy-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 121 200 220 242 275 440 484 550 605 968 1021 1100 1210 2042 2200 2420 3025 4084 4840 5105 6050 8168 10210 11231 12100 20420 22462 24200 25525 40840 44924 51050 56155 89848 102100 112310 123541 204200 224620 247082 280775 449240 494164 561550 617705 988328 1042441 1123100 1235410 2084882 2246200 2470820 3088525 4169764 4941640 5212205 6177050 8339528 10424410 11466851 12354100 20848820 22933702 24708200 26061025 41697640 45867404 52122050 57334255 91734808 104244100 114668510 126135361 208488200 229337020 252270722 286671275 458674040 504541444 573342550 630676805 1009082888 1146685100 1261353610 2293370200 2522707220 3153384025 5045414440 6306768050 12613536100 25227072200