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121741983 = 321110311939
BaseRepresentation
bin1110100000110…
…10001010011111
322111002010121100
413100122022133
5222131220413
620025204143
73005534616
oct720321237
9274063540
10121741983
11627a1610
1234930653
131c2b6a9c
141225087d
15aa4ba73
hex741a29f

121741983 has 24 divisors (see below), whose sum is σ = 193714560. Its totient is φ = 73060560.

The previous prime is 121741979. The next prime is 121741999. The reversal of 121741983 is 389147121.

It is a happy number.

It is not a de Polignac number, because 121741983 - 22 = 121741979 is a prime.

It is a super-2 number, since 2×1217419832 = 29642220849544578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121741973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4228 + ... + 16166.

It is an arithmetic number, because the mean of its divisors is an integer number (8071440).

Almost surely, 2121741983 is an apocalyptic number.

121741983 is a deficient number, since it is larger than the sum of its proper divisors (71972577).

121741983 is a wasteful number, since it uses less digits than its factorization.

121741983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12059 (or 12056 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 121741983 is about 11033.6749544293. The cubic root of 121741983 is about 495.6176800928.

The spelling of 121741983 in words is "one hundred twenty-one million, seven hundred forty-one thousand, nine hundred eighty-three".

Divisors: 1 3 9 11 33 99 103 309 927 1133 3399 10197 11939 35817 107451 131329 393987 1181961 1229717 3689151 11067453 13526887 40580661 121741983