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121414410 = 23351334591
BaseRepresentation
bin1110011110010…
…10001100001010
322110110111021000
413033022030022
5222040230120
620014155430
73003001605
oct717121412
9273414230
10121414410
1162598497
12347b2b76
131c200960
14121a733c
15a9d4990
hex73ca30a

121414410 has 64 divisors (see below), whose sum is σ = 348687360. Its totient is φ = 29885760.

The previous prime is 121414399. The next prime is 121414411. The reversal of 121414410 is 14414121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121414411) 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 31 ways as a sum of consecutive naturals, for example, 13786 + ... + 20805.

It is an arithmetic number, because the mean of its divisors is an integer number (5448240).

Almost surely, 2121414410 is an apocalyptic number.

121414410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121414410 is an abundant number, since it is smaller than the sum of its proper divisors (227272950).

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

121414410 is a wasteful number, since it uses less digits than its factorization.

121414410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34620 (or 34614 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 121414410 is about 11018.8207173000. The cubic root of 121414410 is about 495.1727587989.

Adding to 121414410 its reverse (14414121), we get a palindrome (135828531).

The spelling of 121414410 in words is "one hundred twenty-one million, four hundred fourteen thousand, four hundred ten".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 351 390 585 702 1170 1755 3510 34591 69182 103773 172955 207546 311319 345910 449683 518865 622638 899366 933957 1037730 1349049 1556595 1867914 2248415 2698098 3113190 4047147 4496830 4669785 6745245 8094294 9339570 12141441 13490490 20235735 24282882 40471470 60707205 121414410