Base | Representation |
---|---|
bin | 100000100010110111… |
… | …1000110110000010011 |
3 | 20200101201100002000001 |
4 | 1001011233012300103 |
5 | 2121113144444300 |
6 | 52035021310431 |
7 | 5022632356261 |
oct | 1010557066023 |
9 | 220351302001 |
10 | 69889453075 |
11 | 27704857582 |
12 | 11665a05417 |
13 | 678a580380 |
14 | 355007b431 |
15 | 1c40a7616a |
hex | 1045bc6c13 |
69889453075 has 48 divisors (see below), whose sum is σ = 94017204736. Its totient is φ = 51231398400.
The previous prime is 69889453061. The next prime is 69889453091. The reversal of 69889453075 is 57035498896.
It is not a de Polignac number, because 69889453075 - 213 = 69889444883 is a prime.
It is a super-2 number, since 2×698894530752 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 69889452998 and 69889453016.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63942229 + ... + 63943321.
Almost surely, 269889453075 is an apocalyptic number.
69889453075 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
69889453075 is the 141310-th nonagonal number.
69889453075 is a deficient number, since it is larger than the sum of its proper divisors (24127751661).
69889453075 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (69889453074) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (2384).
69889453075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2384 (or 2379 counting only the distinct ones).
The product of its (nonzero) digits is 65318400, while the sum is 64.
The spelling of 69889453075 in words is "sixty-nine billion, eight hundred eighty-nine million, four hundred fifty-three thousand, seventy-five".
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