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253021001404425 = 35261267372068487
BaseRepresentation
bin111001100001111100001010…
…111010001101000000001001
31020011212120102121220111000220
4321201330022322031000021
5231130444002324420200
62254044124323220253
7104203110200220252
oct7141741272150011
91204776377814026
10253021001404425
117369067105a0a1
12244651b9517689
13ab24a164c8b77
14466a3d3401b29
151e3b9cc06b4a0
hexe61f0ae8d009

253021001404425 has 48 divisors (see below), whose sum is σ = 425202000723072. Its totient is φ = 132727300070400.

The previous prime is 253021001404363. The next prime is 253021001404427. The reversal of 253021001404425 is 524404100120352.

It is a de Polignac number, because none of the positive numbers 2k-253021001404425 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253021001404427) 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, 121287532 + ... + 123356018.

It is an arithmetic number, because the mean of its divisors is an integer number (8858375015064).

Almost surely, 2253021001404425 is an apocalyptic number.

253021001404425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253021001404425 is a deficient number, since it is larger than the sum of its proper divisors (172180999318647).

253021001404425 is a wasteful number, since it uses less digits than its factorization.

253021001404425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095298 (or 2095293 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 253021001404425 its reverse (524404100120352), we get a palindrome (777425101524777).

The spelling of 253021001404425 in words is "two hundred fifty-three trillion, twenty-one billion, one million, four hundred four thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 61 75 183 305 915 1525 4575 26737 80211 133685 401055 668425 1630957 2005275 2068487 4892871 6205461 8154785 10342435 24464355 31027305 40773925 51712175 122321775 126177707 155136525 378533121 630888535 1892665605 3154442675 9463328025 55305136919 165915410757 276525684595 829577053785 1382628422975 3373613352059 4147885268925 10120840056177 16868066760295 50604200280885 84340333801475 253021001404425