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1010043142 = 2505021571
BaseRepresentation
bin111100001101000…
…000100100000110
32121101120111201021
4330031000210012
54032032340032
6244120421354
734013140123
oct7415004406
92541514637
101010043142
114791633a9
1224231785a
13131345584
149820374a
155da17097
hex3c340906

1010043142 has 4 divisors (see below), whose sum is σ = 1515064716. Its totient is φ = 505021570.

The previous prime is 1010043119. The next prime is 1010043149. The reversal of 1010043142 is 2413400101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2413400101 = 7344771443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010043149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252510784 + ... + 252510787.

It is an arithmetic number, because the mean of its divisors is an integer number (378766179).

Almost surely, 21010043142 is an apocalyptic number.

1010043142 is a deficient number, since it is larger than the sum of its proper divisors (505021574).

1010043142 is an equidigital number, since it uses as much as digits as its factorization.

1010043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505021573.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1010043142 is about 31781.1759065016. The cubic root of 1010043142 is about 1003.3365689261.

Adding to 1010043142 its reverse (2413400101), we get a palindrome (3423443243).

The spelling of 1010043142 in words is "one billion, ten million, forty-three thousand, one hundred forty-two".

Divisors: 1 2 505021571 1010043142