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100031030000 = 2454112513623
BaseRepresentation
bin101110100101001010…
…0000110001011110000
3100120012100000211101222
41131022110012023300
53114330420430000
6113541552044212
710140601503656
oct1351224061360
9316170024358
10100031030000
11394719aa430
1217478233668
1395820854a5
144bad21add6
152906d18a85
hex174a5062f0

100031030000 has 200 divisors, whose sum is σ = 265327767936. Its totient is φ = 36220000000.

The previous prime is 100031029999. The next prime is 100031030003. The reversal of 100031030000 is 30130001.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 100031030000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100031030003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27608189 + ... + 27611811.

Almost surely, 2100031030000 is an apocalyptic number.

100031030000 is a gapful number since it is divisible by the number (10) 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 100031030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132663883968).

100031030000 is an abundant number, since it is smaller than the sum of its proper divisors (165296737936).

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

100031030000 is a wasteful number, since it uses less digits than its factorization.

100031030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913 (or 3892 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 8.

Adding to 100031030000 its reverse (30130001), we get a palindrome (100061160001).

The spelling of 100031030000 in words is "one hundred billion, thirty-one million, thirty thousand".