Base | Representation |
---|---|
bin | 10010101100100110… |
… | …100010111000001111 |
3 | 1220211002212220221121 |
4 | 102230212202320033 |
5 | 312103331422141 |
6 | 13120030541411 |
7 | 1310331151312 |
oct | 225446427017 |
9 | 56732786847 |
10 | 20075654671 |
11 | 8572202546 |
12 | 3a83367867 |
13 | 1b7c276207 |
14 | d8637a979 |
15 | 7c77121d1 |
hex | 4ac9a2e0f |
20075654671 has 8 divisors (see below), whose sum is σ = 21259388304. Its totient is φ = 18892233600.
The previous prime is 20075654597. The next prime is 20075654681. The reversal of 20075654671 is 17645657002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20075654671 - 217 = 20075523599 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20075654681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61221 + ... + 209521.
It is an arithmetic number, because the mean of its divisors is an integer number (2657423538).
Almost surely, 220075654671 is an apocalyptic number.
20075654671 is a deficient number, since it is larger than the sum of its proper divisors (1183733633).
20075654671 is a wasteful number, since it uses less digits than its factorization.
20075654671 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156281.
The product of its (nonzero) digits is 352800, while the sum is 43.
The spelling of 20075654671 in words is "twenty billion, seventy-five million, six hundred fifty-four thousand, six hundred seventy-one".
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