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20014402243231 = 1119649114753149
BaseRepresentation
bin1001000110011111101110…
…10101100000101010011111
32121212100200002211021012201
410203033313111200222133
510110403443433240411
6110322253420112331
74133664355044124
oct443176725405237
977770602737181
1020014402243231
1164170733235a0
1222b2b129956a7
13b2247203b256
144d29b8d2074b
1524a9494723c1
hex1233f7560a9f

20014402243231 has 16 divisors (see below), whose sum is σ = 22986587952000. Its totient is φ = 17234627493600.

The previous prime is 20014402243229. The next prime is 20014402243249. The reversal of 20014402243231 is 13234220441002.

It is not a de Polignac number, because 20014402243231 - 21 = 20014402243229 is a prime.

It is a super-2 number, since 2×200144022432312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20014402243231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014402243261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6019956 + ... + 8733193.

It is an arithmetic number, because the mean of its divisors is an integer number (1436661747000).

Almost surely, 220014402243231 is an apocalyptic number.

20014402243231 is a deficient number, since it is larger than the sum of its proper divisors (2972185708769).

20014402243231 is a wasteful number, since it uses less digits than its factorization.

20014402243231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14759670.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20014402243231 its reverse (13234220441002), we get a palindrome (33248622684233).

The spelling of 20014402243231 in words is "twenty trillion, fourteen billion, four hundred two million, two hundred forty-three thousand, two hundred thirty-one".

Divisors: 1 11 19 209 6491 71401 123329 1356619 14753149 162284639 280309831 3083408141 95762690159 1053389591749 1819491113021 20014402243231