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20144892226430 = 252387586487941
BaseRepresentation
bin1001001010010010110010…
…01001010010101101111110
32122022211111011202020102102
410211021121021102231332
510120023214402221210
6110502234041225102
74146264131435666
oct445113111225576
978284434666372
1020144892226430
116467445538314
12231426b792192
13b3186959b76a
144d90374d51a6
1524e035320ea5
hex125259252b7e

20144892226430 has 16 divisors (see below), whose sum is σ = 37837362790944. Its totient is φ = 7707610938720.

The previous prime is 20144892226423. The next prime is 20144892226469. The reversal of 20144892226430 is 3462229844102.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43793243741 + ... + 43793244200.

It is an arithmetic number, because the mean of its divisors is an integer number (2364835174434).

Almost surely, 220144892226430 is an apocalyptic number.

20144892226430 is a deficient number, since it is larger than the sum of its proper divisors (17692470564514).

20144892226430 is a wasteful number, since it uses less digits than its factorization.

20144892226430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87586487971.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 20144892226430 in words is "twenty trillion, one hundred forty-four billion, eight hundred ninety-two million, two hundred twenty-six thousand, four hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 87586487941 175172975882 437932439705 875864879410 2014489222643 4028978445286 10072446113215 20144892226430