Search a number
-
+
10003123200 = 210352723809
BaseRepresentation
bin10010101000011101…
…11000110000000000
3221211010122022100110
421110032320300000
5130441244420300
64332333351320
7502613100330
oct112416706000
927733568313
1010003123200
114273558574
121b32038540
13c35541c15
146ac7370c0
153d82c8550
hex2543b8c00

10003123200 has 528 divisors, whose sum is σ = 39475330560. Its totient is φ = 2184314880.

The previous prime is 10003123171. The next prime is 10003123201. The reversal of 10003123200 is 232130001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (10003123201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12364396 + ... + 12365204.

Almost surely, 210003123200 is an apocalyptic number.

10003123200 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 10003123200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19737665280).

10003123200 is an abundant number, since it is smaller than the sum of its proper divisors (29472207360).

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

10003123200 is a wasteful number, since it uses less digits than its factorization.

10003123200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 10003123200 its reverse (232130001), we get a palindrome (10235253201).

The spelling of 10003123200 in words is "ten billion, three million, one hundred twenty-three thousand, two hundred".