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144177961871 = 5911339475479
BaseRepresentation
bin1000011001000110101…
…1010001101110001111
3111210011000021022222202
42012101223101232033
54330234024234441
6150122350032115
713262602312106
oct2062153215617
9453130238882
10144177961871
1156166778799
1223b38aa863b
1310799322998
146d9a46903d
153b3c8eb19b
hex2191ad1b8f

144177961871 has 16 divisors (see below), whose sum is σ = 147983673600. Its totient is φ = 140418757248.

The previous prime is 144177961817. The next prime is 144177961883. The reversal of 144177961871 is 178169771441.

144177961871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144177961871 - 210 = 144177960847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144177961891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26311910 + ... + 26317388.

It is an arithmetic number, because the mean of its divisors is an integer number (9248979600).

Almost surely, 2144177961871 is an apocalyptic number.

144177961871 is a deficient number, since it is larger than the sum of its proper divisors (3805711729).

144177961871 is a wasteful number, since it uses less digits than its factorization.

144177961871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9598.

The product of its digits is 2370816, while the sum is 56.

The spelling of 144177961871 in words is "one hundred forty-four billion, one hundred seventy-seven million, nine hundred sixty-one thousand, eight hundred seventy-one".

Divisors: 1 59 113 3947 5479 6667 232873 323261 446011 619127 21625613 26314649 36528493 1275911167 2443694269 144177961871