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20144090283401 = 72877727183343
BaseRepresentation
bin1001001010010001010010…
…10110000111110110001001
32122022202102021202022101202
410211020221112013312021
510120020044103032101
6110502022312553545
74146235223150450
oct445105126076611
978282367668352
1020144090283401
11646707389a687
1223140870b28b5
13b3176c3b8366
144d8d9cbc1b97
1524ded9c1336b
hex125229587d89

20144090283401 has 4 divisors (see below), whose sum is σ = 23021817466752. Its totient is φ = 17266363100052.

The previous prime is 20144090283397. The next prime is 20144090283407. The reversal of 20144090283401 is 10438209044102.

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 not a de Polignac number, because 20144090283401 - 22 = 20144090283397 is a prime.

It is a super-2 number, since 2×201440902834012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20144090283407) 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, 1438863591665 + ... + 1438863591678.

It is an arithmetic number, because the mean of its divisors is an integer number (5755454366688).

Almost surely, 220144090283401 is an apocalyptic number.

It is an amenable number.

20144090283401 is a deficient number, since it is larger than the sum of its proper divisors (2877727183351).

20144090283401 is an equidigital number, since it uses as much as digits as its factorization.

20144090283401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877727183350.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 20144090283401 in words is "twenty trillion, one hundred forty-four billion, ninety million, two hundred eighty-three thousand, four hundred one".

Divisors: 1 7 2877727183343 20144090283401