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30013323144 = 2337383466451
BaseRepresentation
bin11011111100111011…
…101111011110001000
32212110200100210021220
4123330323233132020
5442431402320034
621442105402040
72111521015560
oct337473573610
985420323256
1030013323144
11118018139a2
125997499320
132aa407b40c
14164a115da0
15ba9dab749
hex6fceef788

30013323144 has 64 divisors (see below), whose sum is σ = 85976432640. Its totient is φ = 8552827200.

The previous prime is 30013323143. The next prime is 30013323169. The reversal of 30013323144 is 44132331003.

It is a super-2 number, since 2×300133231442 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (30013323143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168882 + ... + 297569.

It is an arithmetic number, because the mean of its divisors is an integer number (1343381760).

Almost surely, 230013323144 is an apocalyptic number.

It is an amenable number.

30013323144 is an abundant number, since it is smaller than the sum of its proper divisors (55963109496).

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

30013323144 is a wasteful number, since it uses less digits than its factorization.

30013323144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466850 (or 466846 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30013323144 its reverse (44132331003), we get a palindrome (74145654147).

The spelling of 30013323144 in words is "thirty billion, thirteen million, three hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 383 766 1149 1532 2298 2681 3064 4596 5362 8043 9192 10724 16086 21448 32172 64344 466451 932902 1399353 1865804 2798706 3265157 3731608 5597412 6530314 9795471 11194824 13060628 19590942 26121256 39181884 78363768 178650733 357301466 535952199 714602932 1071904398 1250555131 1429205864 2143808796 2501110262 3751665393 4287617592 5002220524 7503330786 10004441048 15006661572 30013323144