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141103021 = 1093129097
BaseRepresentation
bin10000110100100…
…00111110101101
3100211111202221211
420122100332231
5242110244041
622000154421
73332233033
oct1032207655
9324452854
10141103021
1172715874
123b308a11
1323305417
1414a50553
15c5c3481
hex8690fad

141103021 has 4 divisors (see below), whose sum is σ = 141233212. Its totient is φ = 140972832.

The previous prime is 141102991. The next prime is 141103037. The reversal of 141103021 is 120301141.

141103021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 101727396 + 39375625 = 10086^2 + 6275^2 .

It is a cyclic number.

It is not a de Polignac number, because 141103021 - 25 = 141102989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141102992 and 141103010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141103051) 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, 63456 + ... + 65641.

It is an arithmetic number, because the mean of its divisors is an integer number (35308303).

Almost surely, 2141103021 is an apocalyptic number.

It is an amenable number.

141103021 is a deficient number, since it is larger than the sum of its proper divisors (130191).

141103021 is a wasteful number, since it uses less digits than its factorization.

141103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130190.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 141103021 is about 11878.6792616014. The cubic root of 141103021 is about 520.6095182619.

Adding to 141103021 its reverse (120301141), we get a palindrome (261404162).

The spelling of 141103021 in words is "one hundred forty-one million, one hundred three thousand, twenty-one".

Divisors: 1 1093 129097 141103021