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142221466302 = 23172296088769
BaseRepresentation
bin1000010001110100001…
…1110101101010111110
3111121002122210001121220
42010131003311222332
54312232143410202
6145200255334210
713163244342306
oct2043503655276
9447078701556
10142221466302
1155352345703
1223691821366
1310546b9b2b6
146c52696606
153a75c7dabc
hex211d0f5abe

142221466302 has 32 divisors (see below), whose sum is σ = 302490093600. Its totient is φ = 44423651328.

The previous prime is 142221466273. The next prime is 142221466313. The reversal of 142221466302 is 203664122241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3021027 + ... + 3067742.

It is an arithmetic number, because the mean of its divisors is an integer number (9452815425).

Almost surely, 2142221466302 is an apocalyptic number.

142221466302 is an abundant number, since it is smaller than the sum of its proper divisors (160268627298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142221466302 is a wasteful number, since it uses less digits than its factorization.

142221466302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089020.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 142221466302 its reverse (203664122241), we get a palindrome (345885588543).

The spelling of 142221466302 in words is "one hundred forty-two billion, two hundred twenty-one million, four hundred sixty-six thousand, three hundred two".

Divisors: 1 2 3 6 17 34 51 102 229 458 687 1374 3893 7786 11679 23358 6088769 12177538 18266307 36532614 103509073 207018146 310527219 621054438 1394328101 2788656202 4182984303 8365968606 23703577717 47407155434 71110733151 142221466302