Search a number
-
+
30101301000 = 2334531919559
BaseRepresentation
bin11100000010001011…
…010110011100001000
32212200210220112020000
4130002023112130020
5443121413113000
621454531203000
72113636560021
oct340213263410
985623815200
1030101301000
1111847443a71
125a00a46460
132ab9372b14
141657a97c48
15bb2989000
hex7022d6708

30101301000 has 320 divisors, whose sum is σ = 110764368000. Its totient is φ = 7604150400.

The previous prime is 30101300987. The next prime is 30101301001. The reversal of 30101301000 is 10310103.

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

It is not an unprimeable number, because it can be changed into a prime (30101301001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1529221 + ... + 1548779.

It is an arithmetic number, because the mean of its divisors is an integer number (346138650).

Almost surely, 230101301000 is an apocalyptic number.

30101301000 is a gapful number since it is divisible by the number (30) 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 30101301000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55382184000).

30101301000 is an abundant number, since it is smaller than the sum of its proper divisors (80663067000).

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

30101301000 is a wasteful number, since it uses less digits than its factorization.

30101301000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19611 (or 19588 counting only the distinct ones).

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

Adding to 30101301000 its reverse (10310103), we get a palindrome (30111611103).

The spelling of 30101301000 in words is "thirty billion, one hundred one million, three hundred one thousand".