Base | Representation |
---|---|
bin | 1000011111011100011… |
… | …0101101110001011101 |
3 | 111221112121022020000111 |
4 | 2013313012231301131 |
5 | 4342230142402334 |
6 | 151003255130021 |
7 | 13353014411104 |
oct | 2076706556135 |
9 | 457477266014 |
10 | 145879653469 |
11 | 5695a296890 |
12 | 24332973911 |
13 | 109aaa421a4 |
14 | 70bc47103b |
15 | 3bdbed6064 |
hex | 21f71adc5d |
145879653469 has 16 divisors (see below), whose sum is σ = 166121974656. Its totient is φ = 126918273600.
The previous prime is 145879653461. The next prime is 145879653523. The reversal of 145879653469 is 964356978541.
It is a cyclic number.
It is not a de Polignac number, because 145879653469 - 23 = 145879653461 is a prime.
It is a super-3 number, since 3×1458796534693 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145879653461) 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, 2913097 + ... + 2962750.
It is an arithmetic number, because the mean of its divisors is an integer number (10382623416).
Almost surely, 2145879653469 is an apocalyptic number.
It is an amenable number.
145879653469 is a deficient number, since it is larger than the sum of its proper divisors (20242321187).
145879653469 is a wasteful number, since it uses less digits than its factorization.
145879653469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5875956.
The product of its digits is 195955200, while the sum is 67.
The spelling of 145879653469 in words is "one hundred forty-five billion, eight hundred seventy-nine million, six hundred fifty-three thousand, four hundred sixty-nine".
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