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141243869 = 1310864913
BaseRepresentation
bin10000110101100…
…11010111011101
3100211202221011102
420122303113131
5242124300434
622003202445
73333360464
oct1032632735
9324687142
10141243869
1172801678
123b376425
1323354570
1414a899db
15c60007e
hex86b35dd

141243869 has 4 divisors (see below), whose sum is σ = 152108796. Its totient is φ = 130378944.

The previous prime is 141243857. The next prime is 141243881. The reversal of 141243869 is 968342141.

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

It is an interprime number because it is at equal distance from previous prime (141243857) and next prime (141243881).

It can be written as a sum of positive squares in 2 ways, for example, as 54567769 + 86676100 = 7387^2 + 9310^2 .

It is a cyclic number.

It is not a de Polignac number, because 141243869 - 216 = 141178333 is a prime.

It is a super-2 number, since 2×1412438692 = 39899661060178322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141243899) 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, 5432444 + ... + 5432469.

It is an arithmetic number, because the mean of its divisors is an integer number (38027199).

Almost surely, 2141243869 is an apocalyptic number.

It is an amenable number.

141243869 is a deficient number, since it is larger than the sum of its proper divisors (10864927).

141243869 is a wasteful number, since it uses less digits than its factorization.

141243869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10864926.

The product of its digits is 41472, while the sum is 38.

The square root of 141243869 is about 11884.6063880972. The cubic root of 141243869 is about 520.7826835240.

The spelling of 141243869 in words is "one hundred forty-one million, two hundred forty-three thousand, eight hundred sixty-nine".

Divisors: 1 13 10864913 141243869