Search a number
-
+
10143420131444 = 2221601117395261
BaseRepresentation
bin1001001110011011001011…
…1101000010100001110100
31022220200221101111210220112
42103212302331002201310
52312142211023201234
633323453424122152
72064560256345305
oct223466275024164
938820841453815
1010143420131444
113260889253576
121179a42a66358
1358769c471522
14270d30a887ac
15128cc1046ace
hex939b2f42874

10143420131444 has 12 divisors (see below), whose sum is σ = 17751807148068. Its totient is φ = 5071475232000.

The previous prime is 10143420131419. The next prime is 10143420131477. The reversal of 10143420131444 is 44413102434101.

It can be written as a sum of positive squares in 2 ways, for example, as 8058717308944 + 2084702822500 = 2838788^2 + 1443850^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10143420131444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58611227 + ... + 58784034.

It is an arithmetic number, because the mean of its divisors is an integer number (1479317262339).

Almost surely, 210143420131444 is an apocalyptic number.

It is an amenable number.

10143420131444 is a deficient number, since it is larger than the sum of its proper divisors (7608387016624).

10143420131444 is a wasteful number, since it uses less digits than its factorization.

10143420131444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117416866 (or 117416864 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 10143420131444 its reverse (44413102434101), we get a palindrome (54556522565545).

The spelling of 10143420131444 in words is "ten trillion, one hundred forty-three billion, four hundred twenty million, one hundred thirty-one thousand, four hundred forty-four".

Divisors: 1 2 4 21601 43202 86404 117395261 234790522 469581044 2535855032861 5071710065722 10143420131444