Base | Representation |
---|---|
bin | 111001001011111110… |
… | …1110010111101010101 |
3 | 102201222202010110221120 |
4 | 1302113331302331111 |
5 | 4003003003042123 |
6 | 132230103234153 |
7 | 11605212150111 |
oct | 1622775627525 |
9 | 381882113846 |
10 | 122808643413 |
11 | 480a0306525 |
12 | 1b974448959 |
13 | b77204c851 |
14 | 5d3037a741 |
15 | 32db84b2e3 |
hex | 1c97f72f55 |
122808643413 has 16 divisors (see below), whose sum is σ = 166894079616. Its totient is φ = 80309526080.
The previous prime is 122808643393. The next prime is 122808643421. The reversal of 122808643413 is 314346808221.
It is a cyclic number.
It is not a de Polignac number, because 122808643413 - 25 = 122808643381 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122808643493) 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, 1421406 + ... + 1505327.
It is an arithmetic number, because the mean of its divisors is an integer number (10430879976).
Almost surely, 2122808643413 is an apocalyptic number.
It is an amenable number.
122808643413 is a deficient number, since it is larger than the sum of its proper divisors (44085436203).
122808643413 is a wasteful number, since it uses less digits than its factorization.
122808643413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2927004.
The product of its (nonzero) digits is 221184, while the sum is 42.
The spelling of 122808643413 in words is "one hundred twenty-two billion, eight hundred eight million, six hundred forty-three thousand, four hundred thirteen".
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