Base | Representation |
---|---|
bin | 100000100101101011… |
… | …1110001011111111101 |
3 | 20200122022020112222220 |
4 | 1001023113301133331 |
5 | 2121311400444442 |
6 | 52052235555553 |
7 | 5025161120262 |
oct | 1011327613775 |
9 | 220568215886 |
10 | 69983999997 |
11 | 2775316402a |
12 | 116915bbbb9 |
13 | 67a4034ab2 |
14 | 355c84d269 |
15 | 1c48eeeeec |
hex | 104b5f17fd |
69983999997 has 16 divisors (see below), whose sum is σ = 96401367552. Its totient is φ = 45113794560.
The previous prime is 69983999957. The next prime is 69984000001. The reversal of 69983999997 is 79999938996.
It is not a de Polignac number, because 69983999997 - 211 = 69983997949 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69983999957) 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, 195988 + ... + 422349.
It is an arithmetic number, because the mean of its divisors is an integer number (6025085472).
Almost surely, 269983999997 is an apocalyptic number.
It is an amenable number.
69983999997 is a deficient number, since it is larger than the sum of its proper divisors (26417367555).
69983999997 is a wasteful number, since it uses less digits than its factorization.
69983999997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 619588.
The product of its digits is 4821232752, while the sum is 87.
The spelling of 69983999997 in words is "sixty-nine billion, nine hundred eighty-three million, nine hundred ninety-nine thousand, nine hundred ninety-seven".
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