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10144131638 = 219725746527
BaseRepresentation
bin10010111001010001…
…10010101000110110
3222011221222021120012
421130220302220312
5131233344203023
64354331540222
7506244460544
oct113450625066
928157867505
1010144131638
114336109273
121b712ba672
13c58813274
146c3360d94
153e587d978
hex25ca32a36

10144131638 has 8 divisors (see below), whose sum is σ = 15293437632. Its totient is φ = 5046319096.

The previous prime is 10144131637. The next prime is 10144131661. The reversal of 10144131638 is 83613144101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×101441316384 (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10144131637) 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, 12872870 + ... + 12873657.

It is an arithmetic number, because the mean of its divisors is an integer number (1911679704).

Almost surely, 210144131638 is an apocalyptic number.

10144131638 is a deficient number, since it is larger than the sum of its proper divisors (5149305994).

10144131638 is a wasteful number, since it uses less digits than its factorization.

10144131638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25746726.

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 10144131638 its reverse (83613144101), we get a palindrome (93757275739).

The spelling of 10144131638 in words is "ten billion, one hundred forty-four million, one hundred thirty-one thousand, six hundred thirty-eight".

Divisors: 1 2 197 394 25746527 51493054 5072065819 10144131638