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1010143669 = 1349974831
BaseRepresentation
bin111100001101011…
…001000110110101
32121101202121121111
4330031121012311
54032044044134
6244122515021
734014036163
oct7415310665
92541677544
101010143669
11479221987
12242365a71
1313137c262
149822c233
155da36c64
hex3c3591b5

1010143669 has 4 divisors (see below), whose sum is σ = 1010232000. Its totient is φ = 1010055340.

The previous prime is 1010143637. The next prime is 1010143703. The reversal of 1010143669 is 9663410101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1010143669 - 25 = 1010143637 is a prime.

It is a super-2 number, since 2×10101436692 = 2040780464041563122, which 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 1010143669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010143369) 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, 23917 + ... + 50914.

It is an arithmetic number, because the mean of its divisors is an integer number (252558000).

Almost surely, 21010143669 is an apocalyptic number.

It is an amenable number.

1010143669 is a deficient number, since it is larger than the sum of its proper divisors (88331).

1010143669 is an equidigital number, since it uses as much as digits as its factorization.

1010143669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88330.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1010143669 is about 31782.7574165616. The cubic root of 1010143669 is about 1003.3698543259.

The spelling of 1010143669 in words is "one billion, ten million, one hundred forty-three thousand, six hundred sixty-nine".

Divisors: 1 13499 74831 1010143669