Search a number
-
+
2130204986 = 271343327031
BaseRepresentation
bin111111011111000…
…0101100100111010
312111110100121212222
41332332011210322
513330313024421
6551213404042
7103534305110
oct17676054472
95443317788
102130204986
119a3499598
124b5499622
1327c435230
14162cadab0
15c7031cab
hex7ef8593a

2130204986 has 32 divisors (see below), whose sum is σ = 3941914368. Its totient is φ = 840741120.

The previous prime is 2130204983. The next prime is 2130204997. The reversal of 2130204986 is 6894020312.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2130204983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65291 + ... + 92321.

It is an arithmetic number, because the mean of its divisors is an integer number (123184824).

Almost surely, 22130204986 is an apocalyptic number.

2130204986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2130204986 is a deficient number, since it is larger than the sum of its proper divisors (1811709382).

2130204986 is a wasteful number, since it uses less digits than its factorization.

2130204986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27486.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2130204986 is about 46154.1437576303. The cubic root of 2130204986 is about 1286.6896245318.

The spelling of 2130204986 in words is "two billion, one hundred thirty million, two hundred four thousand, nine hundred eighty-six".

Divisors: 1 2 7 13 14 26 91 182 433 866 3031 5629 6062 11258 27031 39403 54062 78806 189217 351403 378434 702806 2459821 4919642 11704423 23408846 81930961 152157499 163861922 304314998 1065102493 2130204986