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90288048724025 = 5231571204029261
BaseRepresentation
bin10100100001110111010011…
…000100100101100000111001
3102211200110020100120120122112
4110201313103010211200321
543313234410433132100
6520005431301302105
725006045005315155
oct2441672304454071
9384613210516575
1090288048724025
112684aa45777979
12a162518a04935
133b4c184ab41b9
141841d7188c065
15a688ecbe1b35
hex521dd3125839

90288048724025 has 24 divisors (see below), whose sum is σ = 115771099961088. Its totient is φ = 69778006920000.

The previous prime is 90288048724001. The next prime is 90288048724031. The reversal of 90288048724025 is 52042784088209.

It is a happy number.

It is not a de Polignac number, because 90288048724025 - 210 = 90288048723001 is a prime.

It is a super-2 number, since 2×902880487240252 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101572106 + ... + 102457155.

It is an arithmetic number, because the mean of its divisors is an integer number (4823795831712).

Almost surely, 290288048724025 is an apocalyptic number.

It is an amenable number.

90288048724025 is a deficient number, since it is larger than the sum of its proper divisors (25483051237063).

90288048724025 is a wasteful number, since it uses less digits than its factorization.

90288048724025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204029873 (or 204029868 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 59.

The spelling of 90288048724025 in words is "ninety trillion, two hundred eighty-eight billion, forty-eight million, seven hundred twenty-four thousand, twenty-five".

Divisors: 1 5 25 31 155 571 775 2855 14275 17701 88505 442525 204029261 1020146305 5100731525 6324907091 31624535455 116500708031 158122677275 582503540155 2912517700775 3611521948961 18057609744805 90288048724025