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121217483 = 1091112087
BaseRepresentation
bin1110011100110…
…10000111001011
322110002111010102
413032122013023
5222012424413
620010040015
73001221512
oct716320713
9273074112
10121217483
1162473542
123471900b
131c16212a
1412155679
15a996458
hex739a1cb

121217483 has 4 divisors (see below), whose sum is σ = 122329680. Its totient is φ = 120105288.

The previous prime is 121217461. The next prime is 121217491. The reversal of 121217483 is 384712121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121217483 - 28 = 121217227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121217983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555935 + ... + 556152.

It is an arithmetic number, because the mean of its divisors is an integer number (30582420).

Almost surely, 2121217483 is an apocalyptic number.

121217483 is a deficient number, since it is larger than the sum of its proper divisors (1112197).

121217483 is a wasteful number, since it uses less digits than its factorization.

121217483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112196.

The product of its digits is 2688, while the sum is 29.

The square root of 121217483 is about 11009.8811528554. The cubic root of 121217483 is about 494.9049002763.

The spelling of 121217483 in words is "one hundred twenty-one million, two hundred seventeen thousand, four hundred eighty-three".

Divisors: 1 109 1112087 121217483