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1420101043 = 1847768869
BaseRepresentation
bin101010010100101…
…0000010110110011
310122222011121101221
41110221100112303
510402021213133
6352525405511
750122442164
oct12451202663
93588147357
101420101043
11669678a29
12337709897
13198298b9a
14d686576b
1584a15a2d
hex54a505b3

1420101043 has 4 divisors (see below), whose sum is σ = 1420871760. Its totient is φ = 1419330328.

The previous prime is 1420101019. The next prime is 1420101071. The reversal of 1420101043 is 3401010241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1420101043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420101013) 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, 382588 + ... + 386281.

It is an arithmetic number, because the mean of its divisors is an integer number (355217940).

Almost surely, 21420101043 is an apocalyptic number.

1420101043 is a deficient number, since it is larger than the sum of its proper divisors (770717).

1420101043 is an equidigital number, since it uses as much as digits as its factorization.

1420101043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770716.

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

The square root of 1420101043 is about 37684.2280403885. The cubic root of 1420101043 is about 1124.0175239371.

Adding to 1420101043 its reverse (3401010241), we get a palindrome (4821111284).

The spelling of 1420101043 in words is "one billion, four hundred twenty million, one hundred one thousand, forty-three".

Divisors: 1 1847 768869 1420101043