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1444143164061 = 313673037181981
BaseRepresentation
bin10101000000111101101…
…000111110101010011101
312010001120211010212121010
4111000331220332222131
5142130101122222221
63023232531525433
7206223133233243
oct25007550765235
95101524125533
101444143164061
11507504192864
121b3a74759879
13a624a1553b0
144dc7b156793
152787374ac76
hex1503da3ea9d

1444143164061 has 32 divisors (see below), whose sum is σ = 2105295891328. Its totient is φ = 875146187520.

The previous prime is 1444143164033. The next prime is 1444143164081. The reversal of 1444143164061 is 1604613414441.

It is not a de Polignac number, because 1444143164061 - 223 = 1444134775453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444143164081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7844691 + ... + 8026671.

It is an arithmetic number, because the mean of its divisors is an integer number (65790496604).

Almost surely, 21444143164061 is an apocalyptic number.

It is an amenable number.

1444143164061 is a deficient number, since it is larger than the sum of its proper divisors (661152727267).

1444143164061 is a wasteful number, since it uses less digits than its factorization.

1444143164061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185101.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 1444143164061 in words is "one trillion, four hundred forty-four billion, one hundred forty-three million, one hundred sixty-four thousand, sixty-one".

Divisors: 1 3 13 39 67 201 871 2613 3037 9111 39481 118443 181981 203479 545943 610437 2365753 2645227 7097259 7935681 12192727 36578181 158505451 475516353 552676297 1658028891 7184791861 21554375583 37029311899 111087935697 481381054687 1444143164061