Search a number
-
+
121300203030 = 2354043340101
BaseRepresentation
bin111000011111000001…
…1100011011000010110
3102121002121201202202020
41300332003203120112
53441410322444110
6131420300154010
711522634466536
oct1607603433026
9377077652666
10121300203030
1147496890986
121b613238906
13b591693886
145c29cbb4c6
15324e1d5d70
hex1c3e0e3616

121300203030 has 16 divisors (see below), whose sum is σ = 291120487344. Its totient is φ = 32346720800.

The previous prime is 121300203023. The next prime is 121300203049. The reversal of 121300203030 is 30302003121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021670021 + ... + 2021670080.

It is an arithmetic number, because the mean of its divisors is an integer number (18195030459).

Almost surely, 2121300203030 is an apocalyptic number.

121300203030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121300203030 is an abundant number, since it is smaller than the sum of its proper divisors (169820284314).

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

121300203030 is a wasteful number, since it uses less digits than its factorization.

121300203030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043340111.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 121300203030 its reverse (30302003121), we get a palindrome (151602206151).

The spelling of 121300203030 in words is "one hundred twenty-one billion, three hundred million, two hundred three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 4043340101 8086680202 12130020303 20216700505 24260040606 40433401010 60650101515 121300203030