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144204356436 = 22371716718529
BaseRepresentation
bin1000011001001100111…
…1111101101101010100
3111210012211221022112020
42012103033331231110
54330312303401221
6150125131453140
713263342543150
oct2062317755524
9453184838466
10144204356436
115617a666388
1223b458b71b0
13107a193487a
146d9db7a060
153b3edb1ac6
hex21933fdb54

144204356436 has 24 divisors (see below), whose sum is σ = 384544950720. Its totient is φ = 41201244672.

The previous prime is 144204356381. The next prime is 144204356441. The reversal of 144204356436 is 634653402441.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858359181 + ... + 858359348.

It is an arithmetic number, because the mean of its divisors is an integer number (16022706280).

Almost surely, 2144204356436 is an apocalyptic number.

It is an amenable number.

144204356436 is an abundant number, since it is smaller than the sum of its proper divisors (240340594284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144204356436 is a wasteful number, since it uses less digits than its factorization.

144204356436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716718543 (or 1716718541 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

Adding to 144204356436 its reverse (634653402441), we get a palindrome (778857758877).

The spelling of 144204356436 in words is "one hundred forty-four billion, two hundred four million, three hundred fifty-six thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1716718529 3433437058 5150155587 6866874116 10300311174 12017029703 20600622348 24034059406 36051089109 48068118812 72102178218 144204356436