Search a number
-
+
10003212000 = 2532531132459
BaseRepresentation
bin10010101000011110…
…01110011011100000
3221211010210211011100
421110033032123200
5130441310241000
64332335314400
7502613620245
oct112417163340
927733724140
1010003212000
114273609261
121b3207ba00
13c35573472
146ac75b5cc
153d82e4a00
hex2543ce6e0

10003212000 has 288 divisors, whose sum is σ = 35830136160. Its totient is φ = 2642841600.

The previous prime is 10003211993. The next prime is 10003212047. The reversal of 10003212000 is 21230001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4066771 + ... + 4069229.

It is an arithmetic number, because the mean of its divisors is an integer number (124410195).

Almost surely, 210003212000 is an apocalyptic number.

10003212000 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 10003212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17915068080).

10003212000 is an abundant number, since it is smaller than the sum of its proper divisors (25826924160).

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

10003212000 is a wasteful number, since it uses less digits than its factorization.

10003212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603 (or 2582 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10003212000 its reverse (21230001), we get a palindrome (10024442001).

The spelling of 10003212000 in words is "ten billion, three million, two hundred twelve thousand".