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141695969 = 178335057
BaseRepresentation
bin10000111001000…
…01101111100001
3100212121220022212
420130201233201
5242233232334
622021011505
73340252532
oct1034415741
9325556285
10141695969
1172a90308
123b553b95
132348228c
1414b66689
15c68dece
hex8721be1

141695969 has 4 divisors (see below), whose sum is σ = 150031044. Its totient is φ = 133360896.

The previous prime is 141695963. The next prime is 141695971. The reversal of 141695969 is 969596141.

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 124992400 + 16703569 = 11180^2 + 4087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-141695969 is a prime.

It is a super-2 number, since 2×1416959692 = 40155495261697922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141695963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4167512 + ... + 4167545.

It is an arithmetic number, because the mean of its divisors is an integer number (37507761).

Almost surely, 2141695969 is an apocalyptic number.

It is an amenable number.

141695969 is a deficient number, since it is larger than the sum of its proper divisors (8335075).

141695969 is an equidigital number, since it uses as much as digits as its factorization.

141695969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8335074.

The product of its digits is 524880, while the sum is 50.

The square root of 141695969 is about 11903.6115948060. The cubic root of 141695969 is about 521.3377402731.

The spelling of 141695969 in words is "one hundred forty-one million, six hundred ninety-five thousand, nine hundred sixty-nine".

Divisors: 1 17 8335057 141695969