Base | Representation |
---|---|
bin | 1011111111111001100… |
… | …1001000010100100101 |
3 | 201201001122201022010201 |
4 | 2333332121020110211 |
5 | 11334124123312321 |
6 | 234410120350501 |
7 | 20615062346530 |
oct | 2777631102445 |
9 | 651048638121 |
10 | 206131463461 |
11 | 7a468923480 |
12 | 33b49015431 |
13 | 165906c6871 |
14 | 9d96551a17 |
15 | 55668c9291 |
hex | 2ffe648525 |
206131463461 has 16 divisors (see below), whose sum is σ = 257022701568. Its totient is φ = 160604650800.
The previous prime is 206131463453. The next prime is 206131463507. The reversal of 206131463461 is 164364131602.
It is not a de Polignac number, because 206131463461 - 23 = 206131463453 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 206131463461.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (206131463411) 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, 601876 + ... + 880066.
It is an arithmetic number, because the mean of its divisors is an integer number (16063918848).
Almost surely, 2206131463461 is an apocalyptic number.
It is an amenable number.
206131463461 is a deficient number, since it is larger than the sum of its proper divisors (50891238107).
206131463461 is a wasteful number, since it uses less digits than its factorization.
206131463461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287832.
The product of its (nonzero) digits is 62208, while the sum is 37.
The spelling of 206131463461 in words is "two hundred six billion, one hundred thirty-one million, four hundred sixty-three thousand, four hundred sixty-one".
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