Search a number
-
+
10211011200 = 273352139091
BaseRepresentation
bin10011000001001111…
…11010101010000000
3222100121211010002000
421200213322222000
5131403004324300
64405121224000
7511016106645
oct114047725200
928317733060
1010211011200
11436a938935
121b8b792000
13c6962b680
146cc1addcc
153eb68ec00
hex2609faa80

10211011200 has 384 divisors, whose sum is σ = 40248465600. Its totient is φ = 2513203200.

The previous prime is 10211011183. The next prime is 10211011219. The reversal of 10211011200 is 211011201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

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

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, 1118655 + ... + 1127745.

Almost surely, 210211011200 is an apocalyptic number.

10211011200 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 10211011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20124232800).

10211011200 is an abundant number, since it is smaller than the sum of its proper divisors (30037454400).

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

10211011200 is a wasteful number, since it uses less digits than its factorization.

10211011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9137 (or 9114 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10211011200 its reverse (211011201), we get a palindrome (10422022401).

Subtracting from 10211011200 its reverse (211011201), we obtain a palindrome (9999999999).

The spelling of 10211011200 in words is "ten billion, two hundred eleven million, eleven thousand, two hundred".