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142434434044 = 22717329404301
BaseRepresentation
bin1000010010100111000…
…0001111101111111100
3111121122111111221110001
42010221300033233330
54313201203342134
6145233344124044
713201441466440
oct2045160175774
9447574457401
10142434434044
1155451585501
1223731006624
131057c045c06
146c72a92820
153a897ea414
hex2129c0fbfc

142434434044 has 24 divisors (see below), whose sum is σ = 286515518688. Its totient is φ = 60690475200.

The previous prime is 142434434033. The next prime is 142434434069. The reversal of 142434434044 is 440434434241.

It is a junction number, because it is equal to n+sod(n) for n = 142434433994 and 142434434012.

It is a congruent number.

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, 14697307 + ... + 14706994.

It is an arithmetic number, because the mean of its divisors is an integer number (11938146612).

Almost surely, 2142434434044 is an apocalyptic number.

142434434044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142434434044 is an abundant number, since it is smaller than the sum of its proper divisors (144081084644).

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

142434434044 is a wasteful number, since it uses less digits than its factorization.

142434434044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29404485 (or 29404483 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 142434434044 its reverse (440434434241), we get a palindrome (582868868285).

The spelling of 142434434044 in words is "one hundred forty-two billion, four hundred thirty-four million, four hundred thirty-four thousand, forty-four".

Divisors: 1 2 4 7 14 28 173 346 692 1211 2422 4844 29404301 58808602 117617204 205830107 411660214 823320428 5086944073 10173888146 20347776292 35608608511 71217217022 142434434044