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30331012104 = 2332941447677
BaseRepresentation
bin11100001111110111…
…101000010000001000
32220021211011001121200
4130033313220100020
5444104214341404
621533414504200
72122426230501
oct341767502010
986254131550
1030331012104
111195507a358
125a65965060
132b24b30753
14167a3b1ba8
15bc7c11839
hex70fde8408

30331012104 has 48 divisors (see below), whose sum is σ = 82233971820. Its totient is φ = 10099570560.

The previous prime is 30331012097. The next prime is 30331012133. The reversal of 30331012104 is 40121013303.

It can be written as a sum of positive squares in 2 ways, for example, as 30207135204 + 123876900 = 173802^2 + 11130^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156087 + ... + 291590.

Almost surely, 230331012104 is an apocalyptic number.

It is an amenable number.

30331012104 is an abundant number, since it is smaller than the sum of its proper divisors (51902959716).

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

30331012104 is a wasteful number, since it uses less digits than its factorization.

30331012104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448630 (or 448623 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30331012104 its reverse (40121013303), we get a palindrome (70452025407).

The spelling of 30331012104 in words is "thirty billion, three hundred thirty-one million, twelve thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 941 1882 2823 3764 5646 7528 8469 11292 16938 22584 33876 67752 447677 895354 1343031 1790708 2686062 3581416 4029093 5372124 8058186 10744248 16116372 32232744 421264057 842528114 1263792171 1685056228 2527584342 3370112456 3791376513 5055168684 7582753026 10110337368 15165506052 30331012104