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142205462434 = 27171721347183
BaseRepresentation
bin1000010001110000011…
…0110010011110100010
3111121001112122222110001
42010130012302132202
54312214044244214
6145154524330214
713162661325640
oct2043406623642
9447045588401
10142205462434
1155344304772
12236883a396a
1310543786a59
146c504cc190
153a7466bc74
hex211c1b27a2

142205462434 has 32 divisors (see below), whose sum is σ = 258271566336. Its totient is φ = 57326691840.

The previous prime is 142205462431. The next prime is 142205462467. The reversal of 142205462434 is 434264502241.

It is a junction number, because it is equal to n+sod(n) for n = 142205462393 and 142205462402.

It is not an unprimeable number, because it can be changed into a prime (142205462431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236007 + ... + 583189.

It is an arithmetic number, because the mean of its divisors is an integer number (8070986448).

Almost surely, 2142205462434 is an apocalyptic number.

142205462434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142205462434 is a deficient number, since it is larger than the sum of its proper divisors (116066103902).

142205462434 is a wasteful number, since it uses less digits than its factorization.

142205462434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348930.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 142205462434 its reverse (434264502241), we get a palindrome (576469964675).

The spelling of 142205462434 in words is "one hundred forty-two billion, two hundred five million, four hundred sixty-two thousand, four hundred thirty-four".

Divisors: 1 2 7 14 17 34 119 238 1721 3442 12047 24094 29257 58514 204799 347183 409598 694366 2430281 4860562 5902111 11804222 41314777 82629554 597501943 1195003886 4182513601 8365027202 10157533031 20315066062 71102731217 142205462434