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30129479000 = 235330129479
BaseRepresentation
bin11100000011110110…
…110101110101011000
32212202202221010011122
4130003312311311120
5443201121312000
621501415144412
72114431226435
oct340366656530
985682833148
1030129479000
111186133a575
125a0a375108
132ac215a6aa
14165b710b8c
15bb51a3085
hex703db5d58

30129479000 has 32 divisors (see below), whose sum is σ = 70502983200. Its totient is φ = 12051791200.

The previous prime is 30129478999. The next prime is 30129479011. The reversal of 30129479000 is 97492103.

It is a super-2 number, since 2×301294790002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15063740 + ... + 15065739.

It is an arithmetic number, because the mean of its divisors is an integer number (2203218225).

Almost surely, 230129479000 is an apocalyptic number.

It is an amenable number.

30129479000 is an abundant number, since it is smaller than the sum of its proper divisors (40373504200).

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

30129479000 is a wasteful number, since it uses less digits than its factorization.

30129479000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30129500 (or 30129486 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 30129479000 in words is "thirty billion, one hundred twenty-nine million, four hundred seventy-nine thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 30129479 60258958 120517916 150647395 241035832 301294790 602589580 753236975 1205179160 1506473950 3012947900 3766184875 6025895800 7532369750 15064739500 30129479000