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20144030231022 = 23172515411454371
BaseRepresentation
bin1001001010010001001011…
…10001000010100111101110
32122022202021002202100000120
410211020211301002213232
510120014433214343042
6110502012325505410
74146233563544565
oct445104561024756
978282232670016
1020144030231022
116467042a03415
12231406ab72266
13b3175cb205c9
144d8d94c2cbdc
1524ded47eedec
hex125225c429ee

20144030231022 has 64 divisors (see below), whose sum is σ = 42907092173568. Its totient is φ = 6282878400000.

The previous prime is 20144030231021. The next prime is 20144030231063. The reversal of 20144030231022 is 22013203044102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20144030230983 and 20144030231001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144030231021) 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, 13123497 + ... + 14577867.

It is an arithmetic number, because the mean of its divisors is an integer number (670423315212).

Almost surely, 220144030231022 is an apocalyptic number.

20144030231022 is an abundant number, since it is smaller than the sum of its proper divisors (22763061942546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20144030231022 is a wasteful number, since it uses less digits than its factorization.

20144030231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455185.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20144030231022 its reverse (22013203044102), we get a palindrome (42157233275124).

The spelling of 20144030231022 in words is "twenty trillion, one hundred forty-four billion, thirty million, two hundred thirty-one thousand, twenty-two".

Divisors: 1 2 3 6 17 34 51 102 251 502 541 753 1082 1506 1623 3246 4267 8534 9197 12801 18394 25602 27591 55182 135791 271582 407373 814746 1454371 2308447 2908742 4363113 4616894 6925341 8726226 13850682 24724307 49448614 74172921 148345842 365047121 730094242 786814711 1095141363 1573629422 2190282726 2360444133 4720888266 6205801057 12411602114 13375850087 18617403171 26751700174 37234806342 40127550261 80255100522 197490492461 394980984922 592471477383 1184942954766 3357338371837 6714676743674 10072015115511 20144030231022