Search a number
-
+
206818462312 = 23711973461281
BaseRepresentation
bin1100000010011101010…
…1110100101001101000
3201202211112102110101121
43000213111310221220
511342031011243222
6235002221225024
720641103631610
oct3004725645150
9652745373347
10206818462312
117a7906a2920
12340bb102174
131666cb33367
14a01d8a3a40
1555a6d7e5c7
hex3027574a68

206818462312 has 64 divisors (see below), whose sum is σ = 488456115840. Its totient is φ = 79747891200.

The previous prime is 206818462297. The next prime is 206818462337. The reversal of 206818462312 is 213264818602.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1670889 + ... + 1790392.

It is an arithmetic number, because the mean of its divisors is an integer number (7632126810).

Almost surely, 2206818462312 is an apocalyptic number.

206818462312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

206818462312 is an abundant number, since it is smaller than the sum of its proper divisors (281637653528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206818462312 is a wasteful number, since it uses less digits than its factorization.

206818462312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461402 (or 3461398 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 206818462312 in words is "two hundred six billion, eight hundred eighteen million, four hundred sixty-two thousand, three hundred twelve".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 97 154 194 308 388 616 679 776 1067 1358 2134 2716 4268 5432 7469 8536 14938 29876 59752 3461281 6922562 13845124 24228967 27690248 38074091 48457934 76148182 96915868 152296364 193831736 266518637 304592728 335744257 533037274 671488514 1066074548 1342977028 2132149096 2350209799 2685954056 3693186827 4700419598 7386373654 9400839196 14772747308 18801678392 25852307789 29545494616 51704615578 103409231156 206818462312