Base | Representation |
---|---|
bin | 100000001110000000… |
… | …0100010000000000011 |
3 | 20121120221000120121110 |
4 | 1000130000202000003 |
5 | 2113144440044201 |
6 | 51441332254403 |
7 | 4666402003233 |
oct | 1003400420003 |
9 | 217527016543 |
10 | 69189378051 |
11 | 27385666882 |
12 | 114ab471403 |
13 | 66a8515ab1 |
14 | 34c50c3cc3 |
15 | 1bee38b6d6 |
hex | 101c022003 |
69189378051 has 16 divisors (see below), whose sum is σ = 95798642688. Its totient is φ = 44371003200.
The previous prime is 69189378001. The next prime is 69189378061. The reversal of 69189378051 is 15087398196.
It is not a de Polignac number, because 69189378051 - 210 = 69189377027 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 69189377982 and 69189378000.
It is not an unprimeable number, because it can be changed into a prime (69189378001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2211930 + ... + 2242991.
It is an arithmetic number, because the mean of its divisors is an integer number (5987415168).
Almost surely, 269189378051 is an apocalyptic number.
69189378051 is a deficient number, since it is larger than the sum of its proper divisors (26609264637).
69189378051 is a wasteful number, since it uses less digits than its factorization.
69189378051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4455122.
The product of its (nonzero) digits is 3265920, while the sum is 57.
The spelling of 69189378051 in words is "sixty-nine billion, one hundred eighty-nine million, three hundred seventy-eight thousand, fifty-one".
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