Search a number
-
+
142403546461 = 1131583409897
BaseRepresentation
bin1000010010011111101…
…0011010110101011101
3111121120100101200122111
42010213322122311131
54313120301441321
6145230322114021
713200615113251
oct2044772326535
9447510350574
10142403546461
11554360a9180
12237227ab911
131057581cc37
146c6c932261
153a86c485e1
hex2127e9ad5d

142403546461 has 8 divisors (see below), whose sum is σ = 155354621184. Its totient is φ = 129453354720.

The previous prime is 142403546447. The next prime is 142403546473. The reversal of 142403546461 is 164645304241.

It is a happy number.

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 142403546461 - 213 = 142403538269 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 (142403556461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142465 + ... + 552361.

It is an arithmetic number, because the mean of its divisors is an integer number (19419327648).

Almost surely, 2142403546461 is an apocalyptic number.

142403546461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142403546461 is a deficient number, since it is larger than the sum of its proper divisors (12951074723).

142403546461 is a wasteful number, since it uses less digits than its factorization.

142403546461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441491.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 142403546461 in words is "one hundred forty-two billion, four hundred three million, five hundred forty-six thousand, four hundred sixty-one".

Divisors: 1 11 31583 347413 409897 4508867 12945776951 142403546461