Search a number
-
+
10307681505 = 3251131671729
BaseRepresentation
bin10011001100110001…
…01011110011100001
3222121100201110210200
421212120223303201
5132102231302010
64422453215413
7513301563402
oct114630536341
928540643720
1010307681505
11440a465750
121bb8031569
13c83677734
146dad759a9
15404dd7cc0
hex26662bce1

10307681505 has 48 divisors (see below), whose sum is σ = 20119656960. Its totient is φ = 4836441600.

The previous prime is 10307681479. The next prime is 10307681513. The reversal of 10307681505 is 50518670301.

10307681505 is a `hidden beast` number, since 1 + 0 + 3 + 0 + 76 + 81 + 505 = 666.

10307681505 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10307681505 - 25 = 10307681473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10307681505.

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 47 ways as a sum of consecutive naturals, for example, 320520 + ... + 351209.

It is an arithmetic number, because the mean of its divisors is an integer number (419159520).

Almost surely, 210307681505 is an apocalyptic number.

10307681505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10307681505 is a deficient number, since it is larger than the sum of its proper divisors (9811975455).

10307681505 is a wasteful number, since it uses less digits than its factorization.

10307681505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671782 (or 671779 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 10307681505 in words is "ten billion, three hundred seven million, six hundred eighty-one thousand, five hundred five".

Divisors: 1 3 5 9 11 15 31 33 45 55 93 99 155 165 279 341 465 495 1023 1395 1705 3069 5115 15345 671729 2015187 3358645 6045561 7389019 10075935 20823599 22167057 30227805 36945095 62470797 66501171 104117995 110835285 187412391 229059589 312353985 332505855 687178767 937061955 1145297945 2061536301 3435893835 10307681505