Search a number
-
+
142613101 = 1634391993
BaseRepresentation
bin10001000000000…
…01101001101101
3100221100111101201
420200001221231
5243002104401
622052405501
73351122431
oct1040015155
9327314351
10142613101
1173557374
123b916891
1323713867
1414d249c1
15c7c0b01
hex8801a6d

142613101 has 8 divisors (see below), whose sum is σ = 143887040. Its totient is φ = 141344352.

The previous prime is 142613099. The next prime is 142613117. The reversal of 142613101 is 101316241.

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 142613101 - 21 = 142613099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142613161) 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, 70561 + ... + 72553.

It is an arithmetic number, because the mean of its divisors is an integer number (17985880).

Almost surely, 2142613101 is an apocalyptic number.

It is an amenable number.

142613101 is a deficient number, since it is larger than the sum of its proper divisors (1273939).

142613101 is a wasteful number, since it uses less digits than its factorization.

142613101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595.

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

The square root of 142613101 is about 11942.0727262900. The cubic root of 142613101 is about 522.4601143214.

Adding to 142613101 its reverse (101316241), we get a palindrome (243929342).

The spelling of 142613101 in words is "one hundred forty-two million, six hundred thirteen thousand, one hundred one".

Divisors: 1 163 439 1993 71557 324859 874927 142613101