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30633153020 = 2252117259041
BaseRepresentation
bin11100100001111000…
…001101000111111100
32221001212200102000222
4130201320031013330
51000214041344040
622023410440512
72133055335011
oct344170150774
987055612028
1030633153020
1111a9a686298
125b2ab93138
132b725cab62
1416a8581708
15be44e4bb5
hex721e0d1fc

30633153020 has 24 divisors (see below), whose sum is σ = 64634509968. Its totient is φ = 12195187200.

The previous prime is 30633152999. The next prime is 30633153029. The reversal of 30633153020 is 2035133603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30633153029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3625301 + ... + 3633740.

It is an arithmetic number, because the mean of its divisors is an integer number (2693104582).

Almost surely, 230633153020 is an apocalyptic number.

It is an amenable number.

30633153020 is an abundant number, since it is smaller than the sum of its proper divisors (34001356948).

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

30633153020 is a wasteful number, since it uses less digits than its factorization.

30633153020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7259261 (or 7259259 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 30633153020 its reverse (2035133603), we get a palindrome (32668286623).

The spelling of 30633153020 in words is "thirty billion, six hundred thirty-three million, one hundred fifty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 211 422 844 1055 2110 4220 7259041 14518082 29036164 36295205 72590410 145180820 1531657651 3063315302 6126630604 7658288255 15316576510 30633153020