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142696138253 = 163875436431
BaseRepresentation
bin1000010011100101011…
…0100100011000001101
3111122022201221220010112
42010321112210120031
54314220202411003
6145315333245405
713211100106454
oct2047126443015
9448281856115
10142696138253
1155576282779
12237a4793865
13105c1325a86
146c99737b9b
153aa27923d8
hex21395a460d

142696138253 has 4 divisors (see below), whose sum is σ = 143571574848. Its totient is φ = 141820701660.

The previous prime is 142696138243. The next prime is 142696138301. The reversal of 142696138253 is 352831696241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142696138253 - 212 = 142696134157 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 (142696138243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437718053 + ... + 437718378.

It is an arithmetic number, because the mean of its divisors is an integer number (35892893712).

Almost surely, 2142696138253 is an apocalyptic number.

It is an amenable number.

142696138253 is a deficient number, since it is larger than the sum of its proper divisors (875436595).

142696138253 is an equidigital number, since it uses as much as digits as its factorization.

142696138253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875436594.

The product of its digits is 1866240, while the sum is 50.

The spelling of 142696138253 in words is "one hundred forty-two billion, six hundred ninety-six million, one hundred thirty-eight thousand, two hundred fifty-three".

Divisors: 1 163 875436431 142696138253