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51325245300225 = 35213411283933591
BaseRepresentation
bin10111010101110000101110…
…00000111001111000000001
320201201122102120222211211110
423222320113000321320001
523211403100244101400
6301054254151233533
713545061265543061
oct1352702700717001
9221648376884743
1051325245300225
1115398a06a1aa66
12590b2149788a9
132283c46b0c090
14c962259513a1
155e014a05de50
hex2eae17039e01

51325245300225 has 48 divisors (see below), whose sum is σ = 93614166059904. Its totient is φ = 24651524928000.

The previous prime is 51325245300221. The next prime is 51325245300227. The reversal of 51325245300225 is 52200354252315.

It is not a de Polignac number, because 51325245300225 - 22 = 51325245300221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (51325245300221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 641926821 + ... + 642006770.

It is an arithmetic number, because the mean of its divisors is an integer number (1950295126248).

Almost surely, 251325245300225 is an apocalyptic number.

It is an amenable number.

51325245300225 is a deficient number, since it is larger than the sum of its proper divisors (42288920759679).

51325245300225 is a wasteful number, since it uses less digits than its factorization.

51325245300225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283933658 (or 1283933653 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 51325245300225 in words is "fifty-one trillion, three hundred twenty-five billion, two hundred forty-five million, three hundred thousand, two hundred twenty-five".

Divisors: 1 3 5 13 15 25 39 41 65 75 123 195 205 325 533 615 975 1025 1599 2665 3075 7995 13325 39975 1283933591 3851800773 6419667955 16691136683 19259003865 32098339775 50073410049 52641277231 83455683415 96295019325 157923831693 250367050245 263206386155 417278417075 684336604003 789619158465 1251835251225 1316031930775 2053009812009 3421683020015 3948095792325 10265049060045 17108415100075 51325245300225