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142100413 = 7137321391
BaseRepresentation
bin10000111100001…
…00011110111101
3100220101110010021
420132010132331
5242334203123
622033412141
73343555630
oct1036043675
9326343107
10142100413
1173237164
123b70a051
13235943b0
1414c2dc17
15c71dc5d
hex87847bd

142100413 has 16 divisors (see below), whose sum is σ = 177296896. Its totient is φ = 110885760.

The previous prime is 142100407. The next prime is 142100429. The reversal of 142100413 is 314001241.

It is a cyclic number.

It is not a de Polignac number, because 142100413 - 221 = 140003261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142100713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4053 + ... + 17338.

It is an arithmetic number, because the mean of its divisors is an integer number (11081056).

Almost surely, 2142100413 is an apocalyptic number.

142100413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142100413 is a deficient number, since it is larger than the sum of its proper divisors (35196483).

142100413 is a wasteful number, since it uses less digits than its factorization.

142100413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21484.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142100413 is about 11920.5877791324. The cubic root of 142100413 is about 521.8332886595.

Adding to 142100413 its reverse (314001241), we get a palindrome (456101654).

The spelling of 142100413 in words is "one hundred forty-two million, one hundred thousand, four hundred thirteen".

Divisors: 1 7 13 73 91 511 949 6643 21391 149737 278083 1561543 1946581 10930801 20300059 142100413