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30142033320 = 2335735883373
BaseRepresentation
bin11100000100100110…
…101110110110101000
32212210122112221110110
4130010212232312220
5443212330031240
621502544214320
72114643025110
oct340446566650
985718487413
1030142033320
1111868434843
125a1260a3a0
132ac4934a99
14165d25c040
15bb6332c80
hex7049aeda8

30142033320 has 64 divisors (see below), whose sum is σ = 103344117120. Its totient is φ = 6889607424.

The previous prime is 30142033309. The next prime is 30142033357. The reversal of 30142033320 is 2333024103.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17940847 + ... + 17942526.

It is an arithmetic number, because the mean of its divisors is an integer number (1614751830).

Almost surely, 230142033320 is an apocalyptic number.

30142033320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30142033320 is an abundant number, since it is smaller than the sum of its proper divisors (73202083800).

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

30142033320 is a wasteful number, since it uses less digits than its factorization.

30142033320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35883394 (or 35883390 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30142033320 its reverse (2333024103), we get a palindrome (32475057423).

The spelling of 30142033320 in words is "thirty billion, one hundred forty-two million, thirty-three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 35883373 71766746 107650119 143533492 179416865 215300238 251183611 287066984 358833730 430600476 502367222 538250595 717667460 753550833 861200952 1004734444 1076501190 1255918055 1435334920 1507101666 2009468888 2153002380 2511836110 3014203332 3767754165 4306004760 5023672220 6028406664 7535508330 10047344440 15071016660 30142033320