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20144130211001 = 153311313947571
BaseRepresentation
bin1001001010010001010111…
…01110011011110010111001
32122022202112001212211202202
410211020223232123302321
510120020134313223001
6110502030300435545
74146236216424446
oct445105356336271
978282461784682
1020144130211001
1164670943908a5
122314098548bb5
13b31777757c64
144d8da42169cd
1524dedd49d96b
hex12522bb9bcb9

20144130211001 has 4 divisors (see below), whose sum is σ = 20145444173904. Its totient is φ = 20142816248100.

The previous prime is 20144130210989. The next prime is 20144130211003. The reversal of 20144130211001 is 10011203144102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20144130211001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20144130211003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656958455 + ... + 656989116.

It is an arithmetic number, because the mean of its divisors is an integer number (5036361043476).

Almost surely, 220144130211001 is an apocalyptic number.

It is an amenable number.

20144130211001 is a deficient number, since it is larger than the sum of its proper divisors (1313962903).

20144130211001 is a wasteful number, since it uses less digits than its factorization.

20144130211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313962902.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20144130211001 its reverse (10011203144102), we get a palindrome (30155333355103).

The spelling of 20144130211001 in words is "twenty trillion, one hundred forty-four billion, one hundred thirty million, two hundred eleven thousand, one".

Divisors: 1 15331 1313947571 20144130211001