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121130030 = 2571730429
BaseRepresentation
bin1110011100001…
…00110000101110
322102221001011102
413032010300232
5222002130110
620004123102
73000405530
oct716046056
9272831142
10121130030
116241386a
1234696492
131c131398
1412131850
15a97a5a5
hex7384c2e

121130030 has 16 divisors (see below), whose sum is σ = 249181920. Its totient is φ = 41530272.

The previous prime is 121130003. The next prime is 121130033. The reversal of 121130030 is 30031121.

It is a junction number, because it is equal to n+sod(n) for n = 121129993 and 121130020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865145 + ... + 865284.

It is an arithmetic number, because the mean of its divisors is an integer number (15573870).

Almost surely, 2121130030 is an apocalyptic number.

121130030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121130030 is an abundant number, since it is smaller than the sum of its proper divisors (128051890).

121130030 is a wasteful number, since it uses less digits than its factorization.

121130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730443.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 121130030 is about 11005.9088675129. The cubic root of 121130030 is about 494.7858543824.

Adding to 121130030 its reverse (30031121), we get a palindrome (151161151).

The spelling of 121130030 in words is "one hundred twenty-one million, one hundred thirty thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 1730429 3460858 8652145 12113003 17304290 24226006 60565015 121130030