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121333030 = 25713151883
BaseRepresentation
bin1110011101101…
…10010100100110
322110022100121221
413032312110212
5222030124110
620012330554
73002212420
oct716662446
9273270557
10121333030
1162542335
1234773a5a
131c1a28c0
1412185810
15a9ba7da
hex73b6526

121333030 has 64 divisors (see below), whose sum is σ = 270885888. Its totient is φ = 38102400.

The previous prime is 121333001. The next prime is 121333033. The reversal of 121333030 is 30333121.

It is a junction number, because it is equal to n+sod(n) for n = 121332995 and 121333013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136969 + ... + 137851.

It is an arithmetic number, because the mean of its divisors is an integer number (4232592).

Almost surely, 2121333030 is an apocalyptic number.

121333030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121333030 is an abundant number, since it is smaller than the sum of its proper divisors (149552858).

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

121333030 is a wasteful number, since it uses less digits than its factorization.

121333030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 121333030 is about 11015.1273256372. The cubic root of 121333030 is about 495.0621015171.

Adding to 121333030 its reverse (30333121), we get a palindrome (151666151).

Subtracting from 121333030 its reverse (30333121), we obtain a palindrome (90999909).

It can be divided in two parts, 1213 and 33030, that added together give a palindrome (34243).

The spelling of 121333030 in words is "one hundred twenty-one million, three hundred thirty-three thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 151 182 302 455 755 883 910 1057 1510 1766 1963 2114 3926 4415 5285 6181 8830 9815 10570 11479 12362 13741 19630 22958 27482 30905 57395 61810 68705 80353 114790 133333 137410 160706 266666 401765 666665 803530 933331 1333330 1733329 1866662 3466658 4666655 8666645 9333310 12133303 17333290 24266606 60666515 121333030