Search a number
-
+
10206131166465 = 35131910925272397
BaseRepresentation
bin1001010010000100110011…
…0100101001110100000001
31100010200210211101110120020
42110201030310221310001
52314204124034311330
633412344255204053
72102240305346223
oct224411464516401
940120724343506
1010206131166465
113285439a74343
12118a024816629
13590584779b40
14273d9d604413
1512a7417ae210
hex9484cd29d01

10206131166465 has 64 divisors (see below), whose sum is σ = 18681356601600. Its totient is φ = 4716435631104.

The previous prime is 10206131166359. The next prime is 10206131166479. The reversal of 10206131166465 is 56466113160201.

It is not a de Polignac number, because 10206131166465 - 29 = 10206131165953 is a prime.

It is a super-2 number, since 2×102061311664652 (a number of 27 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 12232354 + ... + 13040043.

It is an arithmetic number, because the mean of its divisors is an integer number (291896196900).

Almost surely, 210206131166465 is an apocalyptic number.

10206131166465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10206131166465 is a deficient number, since it is larger than the sum of its proper divisors (8475225435135).

10206131166465 is a wasteful number, since it uses less digits than its factorization.

10206131166465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25272546.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 10206131166465 in words is "ten trillion, two hundred six billion, one hundred thirty-one million, one hundred sixty-six thousand, four hundred sixty-five".

Divisors: 1 3 5 13 15 19 39 57 65 95 109 195 247 285 327 545 741 1235 1417 1635 2071 3705 4251 6213 7085 10355 21255 26923 31065 80769 134615 403845 25272397 75817191 126361985 328541161 379085955 480175543 985623483 1440526629 1642705805 2400877715 2754691273 4928117415 6242282059 7202633145 8264073819 13773456365 18726846177 31211410295 35810986549 41320369095 52339134187 93634230885 107432959647 157017402561 179054932745 261695670935 537164798235 680408744431 785087012805 2041226233293 3402043722155 10206131166465