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142423212652 = 22717377292717
BaseRepresentation
bin1000010010100100010…
…1011100001001101100
3111121121201101211120221
42010221011130021230
54313140320301102
6145232303421124
713201244222140
oct2045105341154
9447551354527
10142423212652
1155446210726
12237292b47a4
1310579917436
146c713b1220
153a88830637
hex212915c26c

142423212652 has 24 divisors (see below), whose sum is σ = 284863790624. Its totient is φ = 61034798592.

The previous prime is 142423212641. The next prime is 142423212661. The reversal of 142423212652 is 256212324241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340198 + ... + 632914.

Almost surely, 2142423212652 is an apocalyptic number.

It is an amenable number.

142423212652 is an abundant number, since it is smaller than the sum of its proper divisors (142440577972).

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

142423212652 is a wasteful number, since it uses less digits than its factorization.

142423212652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310105 (or 310103 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

Adding to 142423212652 its reverse (256212324241), we get a palindrome (398635536893).

The spelling of 142423212652 in words is "one hundred forty-two billion, four hundred twenty-three million, two hundred twelve thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 28 17377 34754 69508 121639 243278 292717 486556 585434 1170868 2049019 4098038 8196076 5086543309 10173086618 20346173236 35605803163 71211606326 142423212652