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144466533262661 = 157980419385553
BaseRepresentation
bin100000110110010000111100…
…011001011010010101000101
3200221111212101002120112210112
4200312100330121122111011
5122413414430003401121
61231131001552002405
742300235240431011
oct4066207431322505
9627455332515715
10144466533262661
1142038a048791a5
12142526b9830405
13627c19bca052c
142796308c25541
1511a7d8ce6475b
hex83643c65a545

144466533262661 has 8 divisors (see below), whose sum is σ = 145388200672344. Its totient is φ = 143544884820480.

The previous prime is 144466533262573. The next prime is 144466533262687. The reversal of 144466533262661 is 166262335664441.

It can be written as a sum of positive squares in 4 ways, for example, as 7426006504900 + 137040526757761 = 2725070^2 + 11706431^2 .

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 144466533262661 - 210 = 144466533261637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144466533262661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144466533264661) 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, 10699661 + ... + 20085213.

It is an arithmetic number, because the mean of its divisors is an integer number (18173525084043).

Almost surely, 2144466533262661 is an apocalyptic number.

It is an amenable number.

144466533262661 is a deficient number, since it is larger than the sum of its proper divisors (921667409683).

144466533262661 is an equidigital number, since it uses as much as digits as its factorization.

144466533262661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9483751.

The product of its digits is 89579520, while the sum is 59.

The spelling of 144466533262661 in words is "one hundred forty-four trillion, four hundred sixty-six billion, five hundred thirty-three million, two hundred sixty-two thousand, six hundred sixty-one".

Divisors: 1 157 98041 9385553 15392437 1473531821 920169001673 144466533262661