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144131637018 = 23591049388133
BaseRepresentation
bin1000011000111011101…
…0100011111100011010
3111210000210002210020110
42012032322203330122
54330140144341033
6150114013105150
713261500462165
oct2061672437432
9453023083213
10144131637018
1156142608196
1223b254881b6
131078c853325
146d9424aadc
153b387ea363
hex218eea3f1a

144131637018 has 32 divisors (see below), whose sum is σ = 293429304000. Its totient is φ = 47184430976.

The previous prime is 144131637007. The next prime is 144131637019. The reversal of 144131637018 is 810736131441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (144131637019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177280 + ... + 565412.

It is an arithmetic number, because the mean of its divisors is an integer number (9169665750).

Almost surely, 2144131637018 is an apocalyptic number.

144131637018 is an abundant number, since it is smaller than the sum of its proper divisors (149297666982).

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

144131637018 is a wasteful number, since it uses less digits than its factorization.

144131637018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389246.

The product of its (nonzero) digits is 48384, while the sum is 39.

Adding to 144131637018 its reverse (810736131441), we get a palindrome (954867768459).

The spelling of 144131637018 in words is "one hundred forty-four billion, one hundred thirty-one million, six hundred thirty-seven thousand, eighteen".

Divisors: 1 2 3 6 59 118 177 354 1049 2098 3147 6294 61891 123782 185673 371346 388133 776266 1164399 2328798 22899847 45799694 68699541 137399082 407151517 814303034 1221454551 2442909102 24021939503 48043879006 72065818509 144131637018