Base | Representation |
---|---|
bin | 10001000101010111100111… |
… | …110101110011111001011001 |
3 | 100212000220111210010001201000 |
4 | 101011113213311303321121 |
5 | 34322011010123131100 |
6 | 423444515504215213 |
7 | 21553243664035224 |
oct | 2105274765637131 |
9 | 325026453101630 |
10 | 75135752552025 |
11 | 21a38991592240 |
12 | 851598b60a509 |
13 | 32c036a6b0619 |
14 | 147a8386b25bb |
15 | 8a46c00d5900 |
hex | 4455e7d73e59 |
75135752552025 has 96 divisors (see below), whose sum is σ = 151029998461440. Its totient is φ = 36319395816000.
The previous prime is 75135752551967. The next prime is 75135752552039. The reversal of 75135752552025 is 52025525753157.
75135752552025 is a `hidden beast` number, since 7 + 5 + 1 + 3 + 5 + 75 + 25 + 520 + 25 = 666.
It is not a de Polignac number, because 75135752552025 - 236 = 75067033075289 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12828267 + ... + 17743616.
It is an arithmetic number, because the mean of its divisors is an integer number (1573229150640).
Almost surely, 275135752552025 is an apocalyptic number.
75135752552025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
75135752552025 is an abundant number, since it is smaller than the sum of its proper divisors (75894245909415).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75135752552025 is a wasteful number, since it uses less digits than its factorization.
75135752552025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30572244 (or 30572233 counting only the distinct ones).
The product of its (nonzero) digits is 18375000, while the sum is 54.
The spelling of 75135752552025 in words is "seventy-five trillion, one hundred thirty-five billion, seven hundred fifty-two million, five hundred fifty-two thousand, twenty-five".
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