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121113130 = 2512111313
BaseRepresentation
bin1110011100000…
…00101000101010
322102220011222111
413032000220222
5222001110010
620003512534
73000305335
oct716005052
9272804874
10121113130
11624020a6
123468874a
131c126798
141212961c
15a97558a
hex7380a2a

121113130 has 8 divisors (see below), whose sum is σ = 218003652. Its totient is φ = 48445248.

The previous prime is 121113119. The next prime is 121113137. The reversal of 121113130 is 31311121.

It can be written as a sum of positive squares in 2 ways, for example, as 118744609 + 2368521 = 10897^2 + 1539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121113130.

It is not an unprimeable number, because it can be changed into a prime (121113137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055647 + ... + 6055666.

Almost surely, 2121113130 is an apocalyptic number.

121113130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121113130 is a deficient number, since it is larger than the sum of its proper divisors (96890522).

121113130 is a wasteful number, since it uses less digits than its factorization.

121113130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111320.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 121113130 is about 11005.1410713357. The cubic root of 121113130 is about 494.7628425555.

Adding to 121113130 its reverse (31311121), we get a palindrome (152424251).

It can be divided in two parts, 1211 and 13130, that added together give a palindrome (14341).

The spelling of 121113130 in words is "one hundred twenty-one million, one hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 12111313 24222626 60556565 121113130