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121200046 = 2116190313
BaseRepresentation
bin1110011100101…
…01110110101110
322110001121012121
413032111312232
5222011400141
620005423154
73001116622
oct716256656
9273047177
10121200046
1162461430
123470aaba
131c157206
141214d182
15a9911d1
hex7395dae

121200046 has 16 divisors (see below), whose sum is σ = 201580848. Its totient is φ = 54187200.

The previous prime is 121200017. The next prime is 121200047. The reversal of 121200046 is 640002121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43815 + ... + 46498.

It is an arithmetic number, because the mean of its divisors is an integer number (12598803).

Almost surely, 2121200046 is an apocalyptic number.

121200046 is a deficient number, since it is larger than the sum of its proper divisors (80380802).

121200046 is a wasteful number, since it uses less digits than its factorization.

121200046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90387.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121200046 is about 11009.0892448013. The cubic root of 121200046 is about 494.8811686320.

Adding to 121200046 its reverse (640002121), we get a palindrome (761202167).

The spelling of 121200046 in words is "one hundred twenty-one million, two hundred thousand, forty-six".

Divisors: 1 2 11 22 61 122 671 1342 90313 180626 993443 1986886 5509093 11018186 60600023 121200046