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121514030 = 25118571289
BaseRepresentation
bin1110011111000…
…10100000101110
322110122112220122
413033202200232
5222101422110
620020244542
73003565211
oct717424056
9273575818
10121514030
1162656320
1234840752
131c2370c1
14121d1778
15aa04255
hex73e282e

121514030 has 32 divisors (see below), whose sum is σ = 239073120. Its totient is φ = 44101120.

The previous prime is 121514023. The next prime is 121514039. The reversal of 121514030 is 30415121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121514039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93626 + ... + 94914.

It is an arithmetic number, because the mean of its divisors is an integer number (7471035).

Almost surely, 2121514030 is an apocalyptic number.

121514030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121514030 is a deficient number, since it is larger than the sum of its proper divisors (117559090).

121514030 is a wasteful number, since it uses less digits than its factorization.

121514030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121514030 is about 11023.3402378771. The cubic root of 121514030 is about 495.3081508141.

Adding to 121514030 its reverse (30415121), we get a palindrome (151929151).

The spelling of 121514030 in words is "one hundred twenty-one million, five hundred fourteen thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 857 1289 1714 2578 4285 6445 8570 9427 12890 14179 18854 28358 47135 70895 94270 141790 1104673 2209346 5523365 11046730 12151403 24302806 60757015 121514030