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121414445 = 5293127011
BaseRepresentation
bin1110011110010…
…10001100101101
322110110111022022
413033022030231
5222040230240
620014155525
73003001655
oct717121455
9273414268
10121414445
1162598519
12347b2ba5
131c200989
14121a7365
15a9d49b5
hex73ca32d

121414445 has 16 divisors (see below), whose sum is σ = 155589120. Its totient is φ = 90753600.

The previous prime is 121414439. The next prime is 121414451. The reversal of 121414445 is 544414121.

It is an interprime number because it is at equal distance from previous prime (121414439) and next prime (121414451).

It is not a de Polignac number, because 121414445 - 224 = 104637229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9011 + ... + 18000.

It is an arithmetic number, because the mean of its divisors is an integer number (9724320).

Almost surely, 2121414445 is an apocalyptic number.

It is an amenable number.

121414445 is a deficient number, since it is larger than the sum of its proper divisors (34174675).

121414445 is a wasteful number, since it uses less digits than its factorization.

121414445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27076.

The product of its digits is 2560, while the sum is 26.

The square root of 121414445 is about 11018.8223054916. The cubic root of 121414445 is about 495.1728063799.

Adding to 121414445 its reverse (544414121), we get a palindrome (665828566).

The spelling of 121414445 in words is "one hundred twenty-one million, four hundred fourteen thousand, four hundred forty-five".

Divisors: 1 5 29 31 145 155 899 4495 27011 135055 783319 837341 3916595 4186705 24282889 121414445