Search a number
-
+
142101513 = 3319261239
BaseRepresentation
bin10000111100001…
…00110000001001
3100220101111122000
420132010300021
5242334222023
622033421213
73343562061
oct1036046011
9326344560
10142101513
1173237a74
123b70a809
1323594a48
1414c303a1
15c71e243
hex8784c09

142101513 has 48 divisors (see below), whose sum is σ = 226771200. Its totient is φ = 87907680.

The previous prime is 142101511. The next prime is 142101523. The reversal of 142101513 is 315101241.

142101513 is a `hidden beast` number, since 142 + 10 + 1 + 513 = 666.

It is not a de Polignac number, because 142101513 - 21 = 142101511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142101511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 594448 + ... + 594686.

It is an arithmetic number, because the mean of its divisors is an integer number (4724400).

Almost surely, 2142101513 is an apocalyptic number.

It is an amenable number.

142101513 is a deficient number, since it is larger than the sum of its proper divisors (84669687).

142101513 is a wasteful number, since it uses less digits than its factorization.

142101513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 142101513 is about 11920.6339177076. The cubic root of 142101513 is about 521.8346351607.

Adding to 142101513 its reverse (315101241), we get a palindrome (457202754).

The spelling of 142101513 in words is "one hundred forty-two million, one hundred one thousand, five hundred thirteen".

Divisors: 1 3 9 19 27 57 61 171 183 239 361 513 549 717 1083 1159 1647 2151 3249 3477 4541 6453 9747 10431 13623 14579 22021 31293 40869 43737 66063 86279 122607 131211 198189 258837 277001 393633 594567 776511 831003 2329533 2493009 5263019 7479027 15789057 47367171 142101513