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142011361 = 238876961
BaseRepresentation
bin10000111011011…
…10101111100001
3100220012220222001
420131232233201
5242323330421
622031444001
73343035202
oct1035565741
9326186861
10142011361
1173186268
123b686601
13235629bb
1414c095a9
15c702691
hex876ebe1

142011361 has 8 divisors (see below), whose sum is σ = 148374144. Its totient is φ = 135664320.

The previous prime is 142011349. The next prime is 142011437. The reversal of 142011361 is 163110241.

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

It is a cyclic number.

It is not a de Polignac number, because 142011361 - 25 = 142011329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142011461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16921 + ... + 23881.

It is an arithmetic number, because the mean of its divisors is an integer number (18546768).

Almost surely, 2142011361 is an apocalyptic number.

It is an amenable number.

142011361 is a deficient number, since it is larger than the sum of its proper divisors (6362783).

142011361 is an equidigital number, since it uses as much as digits as its factorization.

142011361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 142011361 is about 11916.8519752492. The cubic root of 142011361 is about 521.7242577571.

The spelling of 142011361 in words is "one hundred forty-two million, eleven thousand, three hundred sixty-one".

Divisors: 1 23 887 6961 20401 160103 6174407 142011361