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10318013685 = 345719918289
BaseRepresentation
bin10011001110000000…
…00110010011110101
3222122002011101220000
421213000012103311
5132112402414220
64423502501513
7513455445360
oct114700062365
928562141800
1010318013685
114415282441
121bbb594899
13c85854555
146dc4a50d7
15405c79390
hex2670064f5

10318013685 has 80 divisors (see below), whose sum is σ = 21245664000. Its totient is φ = 4692847104.

The previous prime is 10318013639. The next prime is 10318013687. The reversal of 10318013685 is 58631081301.

It is not a de Polignac number, because 10318013685 - 214 = 10317997301 is a prime.

It is a super-2 number, since 2×103180136852 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10318013687) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 555021 + ... + 573309.

It is an arithmetic number, because the mean of its divisors is an integer number (265570800).

Almost surely, 210318013685 is an apocalyptic number.

10318013685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10318013685 is an abundant number, since it is smaller than the sum of its proper divisors (10927650315).

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

10318013685 is a wasteful number, since it uses less digits than its factorization.

10318013685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18512 (or 18503 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

Adding to 10318013685 its reverse (58631081301), we get a palindrome (68949094986).

The spelling of 10318013685 in words is "ten billion, three hundred eighteen million, thirteen thousand, six hundred eighty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 199 315 405 567 597 945 995 1393 1791 2835 2985 4179 5373 6965 8955 12537 16119 18289 20895 26865 37611 54867 62685 80595 91445 112833 128023 164601 188055 274335 384069 493803 564165 640115 823005 1152207 1481409 1920345 2469015 3456621 3639511 5761035 7407045 10369863 10918533 17283105 18197555 25476577 32755599 51849315 54592665 76429731 98266797 127382885 163777995 229289193 294800391 382148655 491333985 687867579 1146445965 1474001955 2063602737 3439337895 10318013685