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133430282685 = 3257597179461
BaseRepresentation
bin111110001000100010…
…0001000100110111101
3110202101222121122211200
41330101010020212331
54141231123021220
6141144054010113
712432345455340
oct1742104104675
9422358548750
10133430282685
1151650a092a7
1221a39646939
13c7757711bb
14665acba457
15370e09d890
hex1f111089bd

133430282685 has 48 divisors (see below), whose sum is σ = 268799057280. Its totient is φ = 59962849920.

The previous prime is 133430282681. The next prime is 133430282693. The reversal of 133430282685 is 586282034331.

133430282685 is a `hidden beast` number, since 1 + 334 + 30 + 28 + 268 + 5 = 666.

It is not a de Polignac number, because 133430282685 - 22 = 133430282681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 133430282685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133430282681) by changing a digit.

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, 3571146 + ... + 3608315.

It is an arithmetic number, because the mean of its divisors is an integer number (5599980360).

Almost surely, 2133430282685 is an apocalyptic number.

133430282685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133430282685 is an abundant number, since it is smaller than the sum of its proper divisors (135368774595).

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

133430282685 is a wasteful number, since it uses less digits than its factorization.

133430282685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7179538 (or 7179535 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 133430282685 in words is "one hundred thirty-three billion, four hundred thirty million, two hundred eighty-two thousand, six hundred eighty-five".

Divisors: 1 3 5 7 9 15 21 35 45 59 63 105 177 295 315 413 531 885 1239 2065 2655 3717 6195 18585 7179461 21538383 35897305 50256227 64615149 107691915 150768681 251281135 323075745 423588199 452306043 753843405 1270764597 2117940995 2261530215 2965117393 3812293791 6353822985 8895352179 14825586965 19061468955 26686056537 44476760895 133430282685