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30102222000 = 243535017037
BaseRepresentation
bin11100000010001110…
…110111010010110000
32212200212122022121010
4130002032313102300
5443122132101000
621455003030520
72113650444114
oct340216672260
985625568533
1030102222000
1111847a12a24
125a0120b440
132ab96060a6
141657c57744
15bb2abbd50
hex7023b74b0

30102222000 has 80 divisors (see below), whose sum is σ = 97049583072. Its totient is φ = 8027257600.

The previous prime is 30102221983. The next prime is 30102222001. The reversal of 30102222000 is 22220103.

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

It is a super-2 number, since 2×301022220002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (30102222001) 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, 2502519 + ... + 2514518.

Almost surely, 230102222000 is an apocalyptic number.

30102222000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30102222000 is an abundant number, since it is smaller than the sum of its proper divisors (66947361072).

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

30102222000 is a wasteful number, since it uses less digits than its factorization.

30102222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017063 (or 5017047 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 30102222000 its reverse (22220103), we get a palindrome (30124442103).

The spelling of 30102222000 in words is "thirty billion, one hundred two million, two hundred twenty-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 5017037 10034074 15051111 20068148 25085185 30102222 40136296 50170370 60204444 75255555 80272592 100340740 120408888 125425925 150511110 200681480 240817776 250851850 301022220 376277775 401362960 501703700 602044440 627129625 752555550 1003407400 1204088880 1254259250 1505111100 1881388875 2006814800 2508518500 3010222200 3762777750 5017037000 6020444400 7525555500 10034074000 15051111000 30102222000