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1401130042 = 21353889617
BaseRepresentation
bin101001110000011…
…1000110000111010
310121122110210002021
41103200320300322
510332142130132
6351011025054
746502260144
oct12340706072
93548423067
101401130042
116599a0814
1233129b18a
13194385c40
14d4127c94
1583019997
hex53838c3a

1401130042 has 8 divisors (see below), whose sum is σ = 2263363956. Its totient is φ = 646675392.

The previous prime is 1401130039. The next prime is 1401130051. The reversal of 1401130042 is 2400311041.

It can be written as a sum of positive squares in 2 ways, for example, as 1367594361 + 33535681 = 36981^2 + 5791^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1401129998 and 1401130025.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26944783 + ... + 26944834.

Almost surely, 21401130042 is an apocalyptic number.

1401130042 is a deficient number, since it is larger than the sum of its proper divisors (862233914).

1401130042 is a wasteful number, since it uses less digits than its factorization.

1401130042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53889632.

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

The square root of 1401130042 is about 37431.6716431420. The cubic root of 1401130042 is about 1118.9898529168.

Adding to 1401130042 its reverse (2400311041), we get a palindrome (3801441083).

The spelling of 1401130042 in words is "one billion, four hundred one million, one hundred thirty thousand, forty-two".

Divisors: 1 2 13 26 53889617 107779234 700565021 1401130042