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121411710 = 2345731923
BaseRepresentation
bin1110011110010…
…01100001111110
322110110100120000
413033021201332
5222040133320
620014135130
73002661000
oct717114176
9273410500
10121411710
1162596462
12347b14a6
131c1cc664
14121a6370
15a9d3c90
hex73c987e

121411710 has 320 divisors, whose sum is σ = 418176000. Its totient is φ = 25147584.

The previous prime is 121411709. The next prime is 121411751. The reversal of 121411710 is 17114121.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5278759 + ... + 5278781.

It is an arithmetic number, because the mean of its divisors is an integer number (1306800).

Almost surely, 2121411710 is an apocalyptic number.

121411710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121411710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209088000).

121411710 is an abundant number, since it is smaller than the sum of its proper divisors (296764290).

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

121411710 is a wasteful number, since it uses less digits than its factorization.

121411710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

The square root of 121411710 is about 11018.6981989707. The cubic root of 121411710 is about 495.1690882397.

Adding to 121411710 its reverse (17114121), we get a palindrome (138525831).

The spelling of 121411710 in words is "one hundred twenty-one million, four hundred eleven thousand, seven hundred ten".