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121214994 = 23154313093
BaseRepresentation
bin1110011100110…
…01100000010010
322110002100201020
413032121200102
5222012334434
620010020310
73001211325
oct716314022
9273070636
10121214994
116247168a
1234717696
131c160c64
14121547bc
15a995849
hex7399812

121214994 has 16 divisors (see below), whose sum is σ = 242605632. Its totient is φ = 40375728.

The previous prime is 121214957. The next prime is 121214999. The reversal of 121214994 is 499412121.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121214999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2712 + ... + 15804.

It is an arithmetic number, because the mean of its divisors is an integer number (15162852).

Almost surely, 2121214994 is an apocalyptic number.

121214994 is an abundant number, since it is smaller than the sum of its proper divisors (121390638).

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

121214994 is a wasteful number, since it uses less digits than its factorization.

121214994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14641.

The product of its digits is 5184, while the sum is 33.

The square root of 121214994 is about 11009.7681174492. The cubic root of 121214994 is about 494.9015129026.

The spelling of 121214994 in words is "one hundred twenty-one million, two hundred fourteen thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 1543 3086 4629 9258 13093 26186 39279 78558 20202499 40404998 60607497 121214994