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100031323200 = 26352202910271
BaseRepresentation
bin101110100101001010…
…1001101110001000000
3100120012100120201121020
41131022111031301000
53114331004320300
6113542002225440
710140604134534
oct1351225156100
9316170521536
10100031323200
113947208a746
1217478355280
139582158a93
144bad295bc4
152906d758a0
hex174a54dc40

100031323200 has 168 divisors, whose sum is σ = 328379815680. Its totient is φ = 26659276800.

The previous prime is 100031323181. The next prime is 100031323201. The reversal of 100031323200 is 2323130001.

It is a super-2 number, since 2×1000313232002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100031323200.

It is not an unprimeable number, because it can be changed into a prime (100031323201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9734065 + ... + 9744335.

It is an arithmetic number, because the mean of its divisors is an integer number (1954641760).

Almost surely, 2100031323200 is an apocalyptic number.

100031323200 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 100031323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164189907840).

100031323200 is an abundant number, since it is smaller than the sum of its proper divisors (228348492480).

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

100031323200 is a wasteful number, since it uses less digits than its factorization.

100031323200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12325 (or 12310 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 100031323200 its reverse (2323130001), we get a palindrome (102354453201).

The spelling of 100031323200 in words is "one hundred billion, thirty-one million, three hundred twenty-three thousand, two hundred".