Search a number
-
+
30344427528 = 23323188929101
BaseRepresentation
bin11100010000101010…
…110011100000001000
32220022202101122010020
4130100222303200020
5444121133140103
621535014220440
72122651243512
oct342052634010
986282348106
1030344427528
1111961702588
125a6a354720
132b27849a7c
14167c0a4bb2
15bc8eb1753
hex710ab3808

30344427528 has 64 divisors (see below), whose sum is σ = 79204003200. Its totient is φ = 9669580800.

The previous prime is 30344427521. The next prime is 30344427539. The reversal of 30344427528 is 82572444303.

It is a self number, because there is not a number n which added to its sum of digits gives 30344427528.

It is not an unprimeable number, because it can be changed into a prime (30344427521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028178 + ... + 1057278.

It is an arithmetic number, because the mean of its divisors is an integer number (1237562550).

Almost surely, 230344427528 is an apocalyptic number.

It is an amenable number.

30344427528 is an abundant number, since it is smaller than the sum of its proper divisors (48859575672).

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

30344427528 is a wasteful number, since it uses less digits than its factorization.

30344427528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31022 (or 31018 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

It can be divided in two parts, 303444275 and 28, that added together give a palindrome (303444303).

The spelling of 30344427528 in words is "thirty billion, three hundred forty-four million, four hundred twenty-seven thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 1889 3778 5667 7556 11334 15112 22668 29101 43447 45336 58202 86894 87303 116404 130341 173788 174606 232808 260682 347576 349212 521364 669323 698424 1042728 1338646 2007969 2677292 4015938 5354584 8031876 16063752 54971789 109943578 164915367 219887156 329830734 439774312 659661468 1264351147 1319322936 2528702294 3793053441 5057404588 7586106882 10114809176 15172213764 30344427528