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122044142 = 21152310607
BaseRepresentation
bin1110100011000…
…11111011101110
322111122111002102
413101203323232
5222220403032
620035455102
73011233553
oct721437356
9274574072
10122044142
1162988630
1234a57492
131c39148c
14122cca2a
15aaab362
hex7463eee

122044142 has 16 divisors (see below), whose sum is σ = 200109312. Its totient is φ = 55363320.

The previous prime is 122044133. The next prime is 122044147. The reversal of 122044142 is 241440221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122044147) 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, 6203 + ... + 16809.

It is an arithmetic number, because the mean of its divisors is an integer number (12506832).

Almost surely, 2122044142 is an apocalyptic number.

122044142 is a deficient number, since it is larger than the sum of its proper divisors (78065170).

122044142 is a wasteful number, since it uses less digits than its factorization.

122044142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 122044142 is about 11047.3590509225. The cubic root of 122044142 is about 496.0273761121.

Adding to 122044142 its reverse (241440221), we get a palindrome (363484363).

The spelling of 122044142 in words is "one hundred twenty-two million, forty-four thousand, one hundred forty-two".

Divisors: 1 2 11 22 523 1046 5753 10607 11506 21214 116677 233354 5547461 11094922 61022071 122044142