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144712553660 = 2257235627683
BaseRepresentation
bin1000011011000110001…
…0100101010010111100
3111211112021012102001122
42012301202211102330
54332332403204120
6150251404130112
713312053260543
oct2066142452274
9454467172048
10144712553660
1156410511494
1224067b36938
1310852cc9a9c
14700b46715a
153b6e7e8a25
hex21b18a54bc

144712553660 has 12 divisors (see below), whose sum is σ = 303896362728. Its totient is φ = 57885021456.

The previous prime is 144712553597. The next prime is 144712553693. The reversal of 144712553660 is 66355217441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3617813822 + ... + 3617813861.

It is an arithmetic number, because the mean of its divisors is an integer number (25324696894).

Almost surely, 2144712553660 is an apocalyptic number.

144712553660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144712553660 is an abundant number, since it is smaller than the sum of its proper divisors (159183809068).

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

144712553660 is a wasteful number, since it uses less digits than its factorization.

144712553660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7235627692 (or 7235627690 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 144712553660 in words is "one hundred forty-four billion, seven hundred twelve million, five hundred fifty-three thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 7235627683 14471255366 28942510732 36178138415 72356276830 144712553660