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2555125600 = 255221115137
BaseRepresentation
bin1001100001001100…
…0001111101100000
320121001220211101111
42120103001331200
520213103004400
61101313113104
7120214131526
oct23023017540
96531824344
102555125600
1110a1335755
125b3858794
13319490851
141a34c0316
15ee4b93ba
hex984c1f60

2555125600 has 72 divisors (see below), whose sum is σ = 6267676968. Its totient is φ = 1017139200.

The previous prime is 2555125577. The next prime is 2555125609. The reversal of 2555125600 is 65215552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555125609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161232 + ... + 176368.

It is an arithmetic number, because the mean of its divisors is an integer number (87051069).

Almost surely, 22555125600 is an apocalyptic number.

2555125600 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 2555125600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3133838484).

2555125600 is an abundant number, since it is smaller than the sum of its proper divisors (3712551368).

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

2555125600 is a wasteful number, since it uses less digits than its factorization.

2555125600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15368 (or 15355 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 2555125600 is about 50548.2502169956. The cubic root of 2555125600 is about 1367.1119654095. Note that the first 3 decimals are identical.

The spelling of 2555125600 in words is "two billion, five hundred fifty-five million, one hundred twenty-five thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 211 400 422 800 844 1055 1688 2110 3376 4220 5275 6752 8440 10550 15137 16880 21100 30274 33760 42200 60548 75685 84400 121096 151370 168800 242192 302740 378425 484384 605480 756850 1210960 1513700 2421920 3027400 3193907 6054800 6387814 12109600 12775628 15969535 25551256 31939070 51102512 63878140 79847675 102205024 127756280 159695350 255512560 319390700 511025120 638781400 1277562800 2555125600