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30100030112 = 251097857453
BaseRepresentation
bin11100000010000110…
…100000001010100000
32212200201111221220002
4130002012200022200
5443121101430422
621454444035132
72113623014555
oct340206401240
985621457802
1030100030112
1111846756149
125a00532aa8
132ab9019509
141657846a2c
15bb27d7692
hex7021a02a0

30100030112 has 24 divisors (see below), whose sum is σ = 59313522996. Its totient is φ = 15036278272.

The previous prime is 30100030111. The next prime is 30100030159. The reversal of 30100030112 is 21103000103.

It can be written as a sum of positive squares in 2 ways, for example, as 25076622736 + 5023407376 = 158356^2 + 70876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30100030093 and 30100030102.

It is not an unprimeable number, because it can be changed into a prime (30100030111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393623 + ... + 463830.

Almost surely, 230100030112 is an apocalyptic number.

30100030112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30100030112 is a deficient number, since it is larger than the sum of its proper divisors (29213492884).

30100030112 is a wasteful number, since it uses less digits than its factorization.

30100030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858560 (or 858552 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30100030112 its reverse (21103000103), we get a palindrome (51203030215).

The spelling of 30100030112 in words is "thirty billion, one hundred million, thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 1097 2194 4388 8776 17552 35104 857453 1714906 3429812 6859624 13719248 27438496 940625941 1881251882 3762503764 7525007528 15050015056 30100030112