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201130221000 = 233534311291381
BaseRepresentation
bin1011101101010001001…
…0111001110111001000
3201020011002222212020110
42323110102321313020
511243403314033000
6232221542354320
720350123445652
oct2732422716710
9636132885213
10201130221000
1178331847a45
1232b9212b9a0
1315c745215b7
149a402496d2
1553727c9850
hex2ed44b9dc8

201130221000 has 256 divisors, whose sum is σ = 643154054400. Its totient is φ = 52303104000.

The previous prime is 201130220987. The next prime is 201130221029. The reversal of 201130221000 is 122031102.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145640310 + ... + 145641690.

It is an arithmetic number, because the mean of its divisors is an integer number (2512320525).

Almost surely, 2201130221000 is an apocalyptic number.

201130221000 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 201130221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321577027200).

201130221000 is an abundant number, since it is smaller than the sum of its proper divisors (442023833400).

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

201130221000 is a wasteful number, since it uses less digits than its factorization.

201130221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577 (or 2563 counting only the distinct ones).

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

Adding to 201130221000 its reverse (122031102), we get a palindrome (201252252102).

It can be divided in two parts, 2011302 and 21000, that added together give a palindrome (2032302).

The spelling of 201130221000 in words is "two hundred one billion, one hundred thirty million, two hundred twenty-one thousand".