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2046928242681 = 327219323532
BaseRepresentation
bin11101110010010110011…
…011100100011111111001
321020200110221121120201100
4131302112123210133321
5232014102112231211
64204202412042013
7300612534662100
oct35622633443771
97220427546640
102046928242681
1171a1086a2123
12290860163309
1311b041ab71ca
1471101259037
15383a2d57156
hex1dc966e47f9

2046928242681 has 81 divisors (see below), whose sum is σ = 3467131300269. Its totient is φ = 1160316444672.

The previous prime is 2046928242661. The next prime is 2046928242683. The reversal of 2046928242681 is 1862428296402.

The square root of 2046928242681 is 1430709.

It is a perfect power (a square), and thus also a powerful number.

2046928242681 is a `hidden beast` number, since 2 + 0 + 4 + 69 + 2 + 82 + 426 + 81 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 260856369081 + 1786071873600 = 510741^2 + 1336440^2 .

It is not a de Polignac number, because 2046928242681 - 213 = 2046928234489 is a prime.

It is a super-2 number, since 2×20469282426812 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2046928242683) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 5798663401 + ... + 5798663753.

Almost surely, 22046928242681 is an apocalyptic number.

2046928242681 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2046928242681 is the 1430709-th square number.

2046928242681 is the 715355-th centered octagonal number.

It is an amenable number.

2046928242681 is a deficient number, since it is larger than the sum of its proper divisors (1420203057588).

2046928242681 is an frugal number, since it uses more digits than its factorization.

2046928242681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 2046928242681 in words is "two trillion, forty-six billion, nine hundred twenty-eight million, two hundred forty-two thousand, six hundred eighty-one".

Divisors: 1 3 7 9 21 49 63 147 193 353 441 579 1059 1351 1737 2471 3177 4053 7413 9457 12159 17297 22239 28371 37249 51891 68129 85113 111747 124609 155673 204387 260743 335241 373827 476903 613161 782229 872263 1121481 1430709 1825201 2346687 2616789 3338321 4292127 5475603 6105841 7850367 10014963 13148897 16426809 18317523 24049537 30044889 39446691 54952569 72148611 92042279 118340073 168346759 216445833 276126837 505040277 644295953 828380511 1178427313 1515120831 1932887859 3535281939 4641560641 5798663577 10605845817 13924681923 32490924487 41774045769 97472773461 227436471409 292418320383 682309414227 2046928242681