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144212310343531 = 1228889117351779
BaseRepresentation
bin100000110010100100001011…
…100001111011111101101011
3200220121120011212022011200001
4200302210023201323331223
5122400233302421443111
61230414115404323431
742242665326322453
oct4062441341737553
9626546155264601
10144212310343531
1141a50108644341
121421138ab43577
13626121606c931
142787cad632d63
1511a145e5401c1
hex83290b87bf6b

144212310343531 has 4 divisors (see below), whose sum is σ = 144212428924200. Its totient is φ = 144212191762864.

The previous prime is 144212310343529. The next prime is 144212310343553. The reversal of 144212310343531 is 135343013212441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144212310343531 - 21 = 144212310343529 is a prime.

It is a super-2 number, since 2×1442123103435312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144212310343571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57447001 + ... + 59904778.

It is an arithmetic number, because the mean of its divisors is an integer number (36053107231050).

Almost surely, 2144212310343531 is an apocalyptic number.

144212310343531 is a deficient number, since it is larger than the sum of its proper divisors (118580669).

144212310343531 is a wasteful number, since it uses less digits than its factorization.

144212310343531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118580668.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 144212310343531 its reverse (135343013212441), we get a palindrome (279555323555972).

The spelling of 144212310343531 in words is "one hundred forty-four trillion, two hundred twelve billion, three hundred ten million, three hundred forty-three thousand, five hundred thirty-one".

Divisors: 1 1228889 117351779 144212310343531