Base | Representation |
---|---|
bin | 11100111111011000111… |
… | …000001111010110100111 |
3 | 21001110020102201121101111 |
4 | 130333120320033112213 |
5 | 230120020332322110 |
6 | 4123112525405451 |
7 | 263634532450222 |
oct | 34773070172647 |
9 | 7043212647344 |
10 | 1992208479655 |
11 | 6a8988828279 |
12 | 28212a709887 |
13 | 115b312870c4 |
14 | 6c5cdb745b9 |
15 | 36c4de63e8a |
hex | 1cfd8e0f5a7 |
1992208479655 has 16 divisors (see below), whose sum is σ = 2504076664320. Its totient is φ = 1518676079008.
The previous prime is 1992208479629. The next prime is 1992208479661. The reversal of 1992208479655 is 5569748022991.
It is a cyclic number.
It is not a de Polignac number, because 1992208479655 - 29 = 1992208479143 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, 32904265 + ... + 32964754.
It is an arithmetic number, because the mean of its divisors is an integer number (156504791520).
Almost surely, 21992208479655 is an apocalyptic number.
1992208479655 is a deficient number, since it is larger than the sum of its proper divisors (511868184665).
1992208479655 is a wasteful number, since it uses less digits than its factorization.
1992208479655 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65869310.
The product of its (nonzero) digits is 97977600, while the sum is 67.
The spelling of 1992208479655 in words is "one trillion, nine hundred ninety-two billion, two hundred eight million, four hundred seventy-nine thousand, six hundred fifty-five".
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