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144174217431 = 3291657174913
BaseRepresentation
bin1000011001000101110…
…0111111100011010111
3111210010202020002120210
42012101130333203113
54330232044424211
6150122133500503
713262525425266
oct2062134774327
9453122202523
10144174217431
1156164650512
1223b377a1733
131079861153a
146d99b725dd
153b3c40b9a6
hex219173f8d7

144174217431 has 8 divisors (see below), whose sum is σ = 198860989680. Its totient is φ = 92801795072.

The previous prime is 144174217381. The next prime is 144174217441. The reversal of 144174217431 is 134712471441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144174217431 - 213 = 144174209239 is a prime.

It is a super-2 number, since 2×1441742174312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144174217431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144174217441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828587370 + ... + 828587543.

It is an arithmetic number, because the mean of its divisors is an integer number (24857623710).

Almost surely, 2144174217431 is an apocalyptic number.

144174217431 is a deficient number, since it is larger than the sum of its proper divisors (54686772249).

144174217431 is a wasteful number, since it uses less digits than its factorization.

144174217431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657174945.

The product of its digits is 75264, while the sum is 39.

Adding to 144174217431 its reverse (134712471441), we get a palindrome (278886688872).

The spelling of 144174217431 in words is "one hundred forty-four billion, one hundred seventy-four million, two hundred seventeen thousand, four hundred thirty-one".

Divisors: 1 3 29 87 1657174913 4971524739 48058072477 144174217431