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144140012 = 2237973919
BaseRepresentation
bin10001001011101…
…10011011101100
3101001020001220222
420211312123230
5243344440022
622145230512
73400112162
oct1045663354
9331201828
10144140012
11743aa585
1240332438
1323b29863
1415201232
15c9c3242
hex89766ec

144140012 has 12 divisors (see below), whose sum is σ = 259062720. Its totient is φ = 70122096.

The previous prime is 144139993. The next prime is 144140027. The reversal of 144140012 is 210041441.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486812 + ... + 487107.

It is an arithmetic number, because the mean of its divisors is an integer number (21588560).

Almost surely, 2144140012 is an apocalyptic number.

It is an amenable number.

144140012 is a deficient number, since it is larger than the sum of its proper divisors (114922708).

144140012 is a wasteful number, since it uses less digits than its factorization.

144140012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973960 (or 973958 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 144140012 is about 12005.8324159552. The cubic root of 144140012 is about 524.3181012417.

Adding to 144140012 its reverse (210041441), we get a palindrome (354181453).

The spelling of 144140012 in words is "one hundred forty-four million, one hundred forty thousand, twelve".

Divisors: 1 2 4 37 74 148 973919 1947838 3895676 36035003 72070006 144140012