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1478029143709 = 231091327444281
BaseRepresentation
bin10101100000100001011…
…001101110111010011101
312020022001101120222220101
4111200201121232322131
5143204000430044314
63050555222021101
7211532640300646
oct25404131567235
95208041528811
101478029143709
1151a912a12918
121ba550b77791
13a94ba629921
14517737146cd
15286a85c6174
hex1582166ee9d

1478029143709 has 16 divisors (see below), whose sum is σ = 1557617149440. Its totient is φ = 1399737905280.

The previous prime is 1478029143677. The next prime is 1478029143733. The reversal of 1478029143709 is 9073419208741.

It is a cyclic number.

It is not a de Polignac number, because 1478029143709 - 25 = 1478029143677 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 1478029143709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478029153709) 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, 3104649 + ... + 3548929.

It is an arithmetic number, because the mean of its divisors is an integer number (97351071840).

Almost surely, 21478029143709 is an apocalyptic number.

It is an amenable number.

1478029143709 is a deficient number, since it is larger than the sum of its proper divisors (79588005731).

1478029143709 is a wasteful number, since it uses less digits than its factorization.

1478029143709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445740.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 1478029143709 in words is "one trillion, four hundred seventy-eight billion, twenty-nine million, one hundred forty-three thousand, seven hundred nine".

Divisors: 1 23 109 1327 2507 30521 144643 444281 3326789 10218463 48426629 589560887 1113812467 13559900401 64262136683 1478029143709