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142001424401231 = 144798135054873
BaseRepresentation
bin100000010010011001001000…
…011101011000001101001111
3200121210012111102100110201102
4200102121020131120031033
5122103022404121314411
61222002315341533315
741624156450016323
oct4022311035301517
9617705442313642
10142001424401231
114127851411782a
1213b149b187423b
1361308a50b8025
14270cc97001983
151163bb257dd3b
hex81264875834f

142001424401231 has 4 divisors (see below), whose sum is σ = 142099559457552. Its totient is φ = 141903289344912.

The previous prime is 142001424401203. The next prime is 142001424401237. The reversal of 142001424401231 is 132104424100241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142001424401231 - 26 = 142001424401167 is a prime.

It is a super-2 number, since 2×1420014244012312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142001424401194 and 142001424401203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001424401237) 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, 49067525990 + ... + 49067528883.

It is an arithmetic number, because the mean of its divisors is an integer number (35524889864388).

Almost surely, 2142001424401231 is an apocalyptic number.

142001424401231 is a deficient number, since it is larger than the sum of its proper divisors (98135056321).

142001424401231 is an equidigital number, since it uses as much as digits as its factorization.

142001424401231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98135056320.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 142001424401231 its reverse (132104424100241), we get a palindrome (274105848501472).

The spelling of 142001424401231 in words is "one hundred forty-two trillion, one billion, four hundred twenty-four million, four hundred one thousand, two hundred thirty-one".

Divisors: 1 1447 98135054873 142001424401231