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121013044 = 2254155921
BaseRepresentation
bin1110011011010…
…00001100110100
322102201002200121
413031220030310
5221434404134
620001421324
72666410465
oct715501464
9272632617
10121013044
1162343989
123463a844
131c0c0069
1412100d6c
15a955ab4
hex7368334

121013044 has 12 divisors (see below), whose sum is σ = 212168068. Its totient is φ = 60393600.

The previous prime is 121013003. The next prime is 121013047. The reversal of 121013044 is 440310121.

It can be written as a sum of positive squares in 2 ways, for example, as 92390544 + 28622500 = 9612^2 + 5350^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25797 + ... + 30124.

Almost surely, 2121013044 is an apocalyptic number.

It is an amenable number.

121013044 is a deficient number, since it is larger than the sum of its proper divisors (91155024).

121013044 is a wasteful number, since it uses less digits than its factorization.

121013044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56466 (or 56464 counting only the distinct ones).

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

The square root of 121013044 is about 11000.5928931126. The cubic root of 121013044 is about 494.6265168996.

Adding to 121013044 its reverse (440310121), we get a palindrome (561323165).

The spelling of 121013044 in words is "one hundred twenty-one million, thirteen thousand, forty-four".

Divisors: 1 2 4 541 1082 2164 55921 111842 223684 30253261 60506522 121013044