Base | Representation |
---|---|
bin | 10111001101110010111… |
… | …10001010010111010111 |
3 | 2211020221201212010020210 |
4 | 23212321132022113113 |
5 | 101032122221011440 |
6 | 1410241024300503 |
7 | 111426161402613 |
oct | 13467136122727 |
9 | 2736851763223 |
10 | 797680641495 |
11 | 288326a21391 |
12 | 10a719771733 |
13 | 5a2b45b70aa |
14 | 2a8722d8343 |
15 | 15b39899a80 |
hex | b9b978a5d7 |
797680641495 has 16 divisors (see below), whose sum is σ = 1276759526112. Its totient is φ = 425272842240.
The previous prime is 797680641421. The next prime is 797680641547. The reversal of 797680641495 is 594146086797.
It is not a de Polignac number, because 797680641495 - 211 = 797680639447 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9760026 + ... + 9841415.
It is an arithmetic number, because the mean of its divisors is an integer number (79797470382).
Almost surely, 2797680641495 is an apocalyptic number.
797680641495 is a deficient number, since it is larger than the sum of its proper divisors (479078884617).
797680641495 is a wasteful number, since it uses less digits than its factorization.
797680641495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19604162.
The product of its (nonzero) digits is 91445760, while the sum is 66.
The spelling of 797680641495 in words is "seven hundred ninety-seven billion, six hundred eighty million, six hundred forty-one thousand, four hundred ninety-five".
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