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144051331531 = 1274492526197
BaseRepresentation
bin1000011000101000100…
…0001110000111001011
3111202211011222211211011
42012022020032013023
54330004120102111
6150102023544351
713256504054332
oct2061210160713
9452734884734
10144051331531
1156101248518
1223b025bb0b7
1310779016ba3
146d87704d19
153b31736021
hex218a20e1cb

144051331531 has 8 divisors (see below), whose sum is σ = 145509004800. Its totient is φ = 142598711808.

The previous prime is 144051331517. The next prime is 144051331553. The reversal of 144051331531 is 135133150441.

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 144051331531 - 211 = 144051329483 is a prime.

It is a super-2 number, since 2×1440513315312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144051331493 and 144051331502.

It is not an unprimeable number, because it can be changed into a prime (144051331511) 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, 1206076 + ... + 1320121.

It is an arithmetic number, because the mean of its divisors is an integer number (18188625600).

Almost surely, 2144051331531 is an apocalyptic number.

144051331531 is a deficient number, since it is larger than the sum of its proper divisors (1457673269).

144051331531 is a wasteful number, since it uses less digits than its factorization.

144051331531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526773.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 144051331531 its reverse (135133150441), we get a palindrome (279184481972).

The spelling of 144051331531 in words is "one hundred forty-four billion, fifty-one million, three hundred thirty-one thousand, five hundred thirty-one".

Divisors: 1 127 449 57023 2526197 320827019 1134262453 144051331531