Search a number
-
+
100211012000 = 25531118112583
BaseRepresentation
bin101110101010100001…
…0101011000110100000
3100120122212200212021222
41131111002223012200
53120213004341000
6114011501434212
710145215355561
oct1352502530640
9316585625258
10100211012000
113955455a590
121750856b968
1395b0451108
144bc90ac168
152917a1ba85
hex17550ab1a0

100211012000 has 192 divisors, whose sum is σ = 270107405568. Its totient is φ = 36236160000.

The previous prime is 100211011981. The next prime is 100211012009. The reversal of 100211012000 is 210112001.

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

It is not an unprimeable number, because it can be changed into a prime (100211012009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7957709 + ... + 7970291.

It is an arithmetic number, because the mean of its divisors is an integer number (1406809404).

Almost surely, 2100211012000 is an apocalyptic number.

100211012000 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 100211012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135053702784).

100211012000 is an abundant number, since it is smaller than the sum of its proper divisors (169896393568).

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

100211012000 is a wasteful number, since it uses less digits than its factorization.

100211012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800 (or 12782 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100211012000 its reverse (210112001), we get a palindrome (100421124001).

The spelling of 100211012000 in words is "one hundred billion, two hundred eleven million, twelve thousand".