Search a number
-
+
201012103200 = 25352593474091
BaseRepresentation
bin1011101100110101000…
…0010100100000100000
3201012211212201212002010
42323031100110200200
511243133044300300
6232202122552520
720344160454126
oct2731520244040
9635755655063
10201012103200
1178281101327
1232b5a668740
1315c55c062cc
149a2c69d916
155367246a50
hex2ecd414820

201012103200 has 288 divisors, whose sum is σ = 667464779520. Its totient is φ = 52529996800.

The previous prime is 201012103169. The next prime is 201012103207. The reversal of 201012103200 is 2301210102.

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 (201012103207) 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, 49133155 + ... + 49137245.

It is an arithmetic number, because the mean of its divisors is an integer number (2317586040).

Almost surely, 2201012103200 is an apocalyptic number.

201012103200 is a gapful number since it is divisible by the number (20) 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 201012103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333732389760).

201012103200 is an abundant number, since it is smaller than the sum of its proper divisors (466452676320).

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

201012103200 is a wasteful number, since it uses less digits than its factorization.

201012103200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520 (or 4507 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 201012103200 its reverse (2301210102), we get a palindrome (203313313302).

The spelling of 201012103200 in words is "two hundred one billion, twelve million, one hundred three thousand, two hundred".