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30144103140 = 22352321843553
BaseRepresentation
bin11100000100101110…
…101000001011100100
32212210210110002201110
4130010232220023210
5443213342300030
621503100425020
72114666435424
oct340456501344
985723402643
1030144103140
1111869618938
125a13248170
132ac51aac28
14165d63a484
15bb65e11b0
hex704ba82e4

30144103140 has 48 divisors (see below), whose sum is σ = 88073209728. Its totient is φ = 7688930304.

The previous prime is 30144103103. The next prime is 30144103141. The reversal of 30144103140 is 4130144103.

It is a super-2 number, since 2×301441031402 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30144103141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10920397 + ... + 10923156.

It is an arithmetic number, because the mean of its divisors is an integer number (1834858536).

Almost surely, 230144103140 is an apocalyptic number.

30144103140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30144103140 is an abundant number, since it is smaller than the sum of its proper divisors (57929106588).

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

30144103140 is a wasteful number, since it uses less digits than its factorization.

30144103140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21843588 (or 21843586 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30144103140 its reverse (4130144103), we get a palindrome (34274247243).

The spelling of 30144103140 in words is "thirty billion, one hundred forty-four million, one hundred three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 21843553 43687106 65530659 87374212 109217765 131061318 218435530 262122636 327653295 436871060 502401719 655306590 1004803438 1310613180 1507205157 2009606876 2512008595 3014410314 5024017190 6028820628 7536025785 10048034380 15072051570 30144103140