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1030142434 = 2515071217
BaseRepresentation
bin111101011001101…
…011100111100010
32122210101122202111
4331121223213202
54102204024214
6250115305534
734346031466
oct7531534742
92583348674
101030142434
11489541292
12248bab2aa
13135561c49
149ab564a6
15606875c4
hex3d66b9e2

1030142434 has 4 divisors (see below), whose sum is σ = 1545213654. Its totient is φ = 515071216.

The previous prime is 1030142413. The next prime is 1030142459. The reversal of 1030142434 is 4342410301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 881911809 + 148230625 = 29697^2 + 12175^2 .

It is a super-2 number, since 2×10301424342 = 2122386868654888712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257535607 + ... + 257535610.

Almost surely, 21030142434 is an apocalyptic number.

1030142434 is a deficient number, since it is larger than the sum of its proper divisors (515071220).

1030142434 is an equidigital number, since it uses as much as digits as its factorization.

1030142434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515071219.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1030142434 is about 32095.8320347051. The cubic root of 1030142434 is about 1009.9481834672.

Adding to 1030142434 its reverse (4342410301), we get a palindrome (5372552735).

The spelling of 1030142434 in words is "one billion, thirty million, one hundred forty-two thousand, four hundred thirty-four".

Divisors: 1 2 515071217 1030142434