Base | Representation |
---|---|
bin | 100000100010111111… |
… | …0111110000101100100 |
3 | 20200102000011100210201 |
4 | 1001011332332011210 |
5 | 2121120231040001 |
6 | 52035250400244 |
7 | 5023012620124 |
oct | 1010576760544 |
9 | 220360140721 |
10 | 69893611876 |
11 | 27707138100 |
12 | 11667290084 |
13 | 678b3a82ba |
14 | 3550840c84 |
15 | 1c410e8501 |
hex | 1045fbe164 |
69893611876 has 81 divisors (see below), whose sum is σ = 137381600811. Its totient is φ = 31090382400.
The previous prime is 69893611771. The next prime is 69893611877. The reversal of 69893611876 is 67811639896.
The square root of 69893611876 is 264374.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 104652900 + 69788958976 = 10230^2 + 264176^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69893611877) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 354789810 + ... + 354790006.
Almost surely, 269893611876 is an apocalyptic number.
69893611876 is the 264374-th square number.
It is an amenable number.
69893611876 is a deficient number, since it is larger than the sum of its proper divisors (67487988935).
69893611876 is a wasteful number, since it uses less digits than its factorization.
69893611876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 542 (or 271 counting only the distinct ones).
The product of its digits is 23514624, while the sum is 64.
Multiplying 69893611876 by its sum of digits (64), we get a square (4473191160064 = 21149922).
The spelling of 69893611876 in words is "sixty-nine billion, eight hundred ninety-three million, six hundred eleven thousand, eight hundred seventy-six".
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