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30142302000 = 243535023717
BaseRepresentation
bin11100000100100111…
…110000011100110000
32212210200001121000120
4130010213300130300
5443212412131000
621502554050240
72114645224326
oct340447603460
985720047016
1030142302000
11118685a8698
125a12719980
132ac49ca175
14165d2cbd16
15bb63876a0
hex7049f0730

30142302000 has 80 divisors (see below), whose sum is σ = 97178800992. Its totient is φ = 8037945600.

The previous prime is 30142301963. The next prime is 30142302019. The reversal of 30142302000 is 20324103.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2505859 + ... + 2517858.

Almost surely, 230142302000 is an apocalyptic number.

30142302000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30142302000 is an abundant number, since it is smaller than the sum of its proper divisors (67036498992).

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

30142302000 is a wasteful number, since it uses less digits than its factorization.

30142302000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023743 (or 5023727 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30142302000 its reverse (20324103), we get a palindrome (30162626103).

The spelling of 30142302000 in words is "thirty billion, one hundred forty-two million, three hundred two thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1000 1200 1500 2000 3000 6000 5023717 10047434 15071151 20094868 25118585 30142302 40189736 50237170 60284604 75355755 80379472 100474340 120569208 125592925 150711510 200948680 241138416 251185850 301423020 376778775 401897360 502371700 602846040 627964625 753557550 1004743400 1205692080 1255929250 1507115100 1883893875 2009486800 2511858500 3014230200 3767787750 5023717000 6028460400 7535575500 10047434000 15071151000 30142302000