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142605042231 = 367770214201
BaseRepresentation
bin1000010011001111101…
…1000100001000110111
3111122002101112201212210
42010303323010020313
54314023342322411
6145302320544503
713205612600421
oct2046373041067
9448071481783
10142605042231
1155529912a03
122377a182133
13105a84abcc2
146c8b5c3811
153a9979aca6
hex2133ec4237

142605042231 has 8 divisors (see below), whose sum is σ = 190420915824. Its totient is φ = 94929598400.

The previous prime is 142605042227. The next prime is 142605042257. The reversal of 142605042231 is 132240506241.

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 142605042231 - 22 = 142605042227 is a prime.

It is a super-2 number, since 2×1426050422312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142605049231) 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, 35105070 + ... + 35109131.

It is an arithmetic number, because the mean of its divisors is an integer number (23802614478).

Almost surely, 2142605042231 is an apocalyptic number.

142605042231 is a deficient number, since it is larger than the sum of its proper divisors (47815873593).

142605042231 is an equidigital number, since it uses as much as digits as its factorization.

142605042231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70214881.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 142605042231 its reverse (132240506241), we get a palindrome (274845548472).

The spelling of 142605042231 in words is "one hundred forty-two billion, six hundred five million, forty-two thousand, two hundred thirty-one".

Divisors: 1 3 677 2031 70214201 210642603 47535014077 142605042231