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142252305123 = 38910340912647
BaseRepresentation
bin1000010001111011100…
…1011110101011100011
3111121011210210211112110
42010132321132223203
54312313042230443
6145203320330403
713164100433355
oct2043671365343
9447153724473
10142252305123
1155368799335
12236a0013a03
13105503a8016
146c568030d5
153a78821233
hex211ee5eae3

142252305123 has 32 divisors (see below), whose sum is σ = 194151859200. Its totient is φ = 92624564736.

The previous prime is 142252305109. The next prime is 142252305131. The reversal of 142252305123 is 321503252241.

It is not a de Polignac number, because 142252305123 - 210 = 142252304099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142252305133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11241586 + ... + 11254232.

It is an arithmetic number, because the mean of its divisors is an integer number (6067245600).

Almost surely, 2142252305123 is an apocalyptic number.

142252305123 is a deficient number, since it is larger than the sum of its proper divisors (51899554077).

142252305123 is a wasteful number, since it uses less digits than its factorization.

142252305123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13251.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 142252305123 its reverse (321503252241), we get a palindrome (463755557364).

The spelling of 142252305123 in words is "one hundred forty-two billion, two hundred fifty-two million, three hundred five thousand, one hundred twenty-three".

Divisors: 1 3 89 103 267 309 409 1227 9167 12647 27501 36401 37941 42127 109203 126381 1125583 1302641 3376749 3749303 3907923 5172623 11247909 15517869 115935049 347805147 460363447 532780169 1381090341 1598340507 47417435041 142252305123