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1401010042 = 25641124181
BaseRepresentation
bin101001110000001…
…1011011101111010
310121122020200110211
41103200123131322
510332124310132
6351004301334
746501250245
oct12340333572
93548220424
101401010042
11659919643
1233124184a
13194343433
14d40d625c
1582ee4147
hex5381b77a

1401010042 has 8 divisors (see below), whose sum is σ = 2101904532. Its totient is φ = 700375200.

The previous prime is 1401010033. The next prime is 1401010043. The reversal of 1401010042 is 2400101041.

It can be written as a sum of positive squares in 2 ways, for example, as 933974721 + 467035321 = 30561^2 + 21611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1401010043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50809 + ... + 73372.

Almost surely, 21401010042 is an apocalyptic number.

1401010042 is a deficient number, since it is larger than the sum of its proper divisors (700894490).

1401010042 is a wasteful number, since it uses less digits than its factorization.

1401010042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129824.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1401010042 is about 37430.0686881550. The cubic root of 1401010042 is about 1118.9579066515.

Adding to 1401010042 its reverse (2400101041), we get a palindrome (3801111083).

Subtracting 1401010042 from its reverse (2400101041), we obtain a palindrome (999090999).

The spelling of 1401010042 in words is "one billion, four hundred one million, ten thousand, forty-two".

Divisors: 1 2 5641 11282 124181 248362 700505021 1401010042