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142445023601 = 4717831699801
BaseRepresentation
bin1000010010101001100…
…0101001000101110001
3111121200020102221120212
42010222120221011301
54313211411223401
6145234403113505
713201630502666
oct2045230510561
9447606387525
10142445023601
1155457558601
1223734672895
13105812b2c1a
146c7424ba6d
153a8a6dcdbb
hex212a629171

142445023601 has 8 divisors (see below), whose sum is σ = 145557444864. Its totient is φ = 139336005600.

The previous prime is 142445023597. The next prime is 142445023603. The reversal of 142445023601 is 106320544241.

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 142445023601 - 22 = 142445023597 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142445023603) 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, 766100 + ... + 933701.

It is an arithmetic number, because the mean of its divisors is an integer number (18194680608).

Almost surely, 2142445023601 is an apocalyptic number.

It is an amenable number.

142445023601 is a deficient number, since it is larger than the sum of its proper divisors (3112421263).

142445023601 is a wasteful number, since it uses less digits than its factorization.

142445023601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701631.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 142445023601 its reverse (106320544241), we get a palindrome (248765567842).

The spelling of 142445023601 in words is "one hundred forty-two billion, four hundred forty-five million, twenty-three thousand, six hundred one".

Divisors: 1 47 1783 83801 1699801 79890647 3030745183 142445023601