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10143015730 = 251117790749
BaseRepresentation
bin10010111001001001…
…00010001100110010
3222011212212120211021
421130210202030302
5131233103000410
64354252010054
7506232132301
oct113444421462
928155776737
1010143015730
114335516931
121b70a6092a
13c58512373
146c3150438
153e570ceda
hex25c922332

10143015730 has 16 divisors (see below), whose sum is σ = 18259263000. Its totient is φ = 4056798592.

The previous prime is 10143015721. The next prime is 10143015737. The reversal of 10143015730 is 3751034101.

It can be written as a sum of positive squares in 4 ways, for example, as 10054674529 + 88341201 = 100273^2 + 9399^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10143015695 and 10143015704.

It is not an unprimeable number, because it can be changed into a prime (10143015737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66396 + ... + 157144.

Almost surely, 210143015730 is an apocalyptic number.

10143015730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10143015730 is a deficient number, since it is larger than the sum of its proper divisors (8116247270).

10143015730 is a wasteful number, since it uses less digits than its factorization.

10143015730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101933.

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 10143015730 its reverse (3751034101), we get a palindrome (13894049831).

The spelling of 10143015730 in words is "ten billion, one hundred forty-three million, fifteen thousand, seven hundred thirty".

Divisors: 1 2 5 10 11177 22354 55885 90749 111770 181498 453745 907490 1014301573 2028603146 5071507865 10143015730