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142012513253 = 1371153859711
BaseRepresentation
bin1000010001000010011…
…0101111101111100101
3111120120002121010221002
42010100212233233211
54311320200411003
6145123433003045
713155126305612
oct2042046575745
9446502533832
10142012513253
11552553a8136
1223633853485
13105127cab40
146c32a23509
153a62756a88
hex21109afbe5

142012513253 has 8 divisors (see below), whose sum is σ = 155090589696. Its totient is φ = 129242156400.

The previous prime is 142012513211. The next prime is 142012513261. The reversal of 142012513253 is 352315210241.

142012513253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142012513253 - 230 = 140938771429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142012513453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76928933 + ... + 76930778.

It is an arithmetic number, because the mean of its divisors is an integer number (19386323712).

Almost surely, 2142012513253 is an apocalyptic number.

142012513253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142012513253 is a deficient number, since it is larger than the sum of its proper divisors (13078076443).

142012513253 is a wasteful number, since it uses less digits than its factorization.

142012513253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153859795.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 142012513253 its reverse (352315210241), we get a palindrome (494327723494).

The spelling of 142012513253 in words is "one hundred forty-two billion, twelve million, five hundred thirteen thousand, two hundred fifty-three".

Divisors: 1 13 71 923 153859711 2000176243 10924039481 142012513253