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30112104201312 = 2537172741961643
BaseRepresentation
bin1101101100011000001010…
…10001100011110001100000
310221121200121022112020102010
412312030011101203301200
512421324042133420222
6144013150521152520
76225346004362320
oct666140521436140
9127550538466363
1030112104201312
11965a520889811
123463b1692b740
1313a5736868393
1476160dbd1280
153734419b880c
hex1b6305463c60

30112104201312 has 192 divisors, whose sum is σ = 95685208948224. Its totient is φ = 8094409973760.

The previous prime is 30112104201287. The next prime is 30112104201313. The reversal of 30112104201312 is 21310240121103.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112104201313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30832363 + ... + 31794005.

It is an arithmetic number, because the mean of its divisors is an integer number (498360463272).

Almost surely, 230112104201312 is an apocalyptic number.

30112104201312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30112104201312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47842604474112).

30112104201312 is an abundant number, since it is smaller than the sum of its proper divisors (65573104746912).

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

30112104201312 is a wasteful number, since it uses less digits than its factorization.

30112104201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964421 (or 964413 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 30112104201312 its reverse (21310240121103), we get a palindrome (51422344322415).

The spelling of 30112104201312 in words is "thirty trillion, one hundred twelve billion, one hundred four million, two hundred one thousand, three hundred twelve".