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10400440143 = 329432780123
BaseRepresentation
bin10011010111110101…
…00001111101001111
3222211211021002201210
421223322201331033
5132300003041033
64440005305503
7515506165632
oct115372417517
928754232653
1010400440143
114457860685
122023105293
13c999541c2
147093ddc19
1540d10bd63
hex26bea1f4f

10400440143 has 16 divisors (see below), whose sum is σ = 14679054720. Its totient is φ = 6538846944.

The previous prime is 10400440093. The next prime is 10400440147. The reversal of 10400440143 is 34104400401.

It is not a de Polignac number, because 10400440143 - 230 = 9326698319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400440147) 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, 1386321 + ... + 1393802.

It is an arithmetic number, because the mean of its divisors is an integer number (917440920).

Almost surely, 210400440143 is an apocalyptic number.

10400440143 is a deficient number, since it is larger than the sum of its proper divisors (4278614577).

10400440143 is a wasteful number, since it uses less digits than its factorization.

10400440143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780198.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10400440143 its reverse (34104400401), we get a palindrome (44504840544).

The spelling of 10400440143 in words is "ten billion, four hundred million, four hundred forty thousand, one hundred forty-three".

Divisors: 1 3 29 43 87 129 1247 3741 2780123 8340369 80623567 119545289 241870701 358635867 3466813381 10400440143