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142240614461 = 1180473160687
BaseRepresentation
bin1000010001111000110…
…0111000100000111101
3111121010222210212221222
42010132030320200331
54312302044130321
6145202222003125
713163566162661
oct2043614704075
9447128725858
10142240614461
1155362133a30
12236981164a5
131054ab43a7a
146c5503c8a1
153a777b23ab
hex211e33883d

142240614461 has 8 divisors (see below), whose sum is σ = 155174473344. Its totient is φ = 129307237920.

The previous prime is 142240614433. The next prime is 142240614463. The reversal of 142240614461 is 164416042241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142240614461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142240614463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804860 + ... + 965546.

It is an arithmetic number, because the mean of its divisors is an integer number (19396809168).

Almost surely, 2142240614461 is an apocalyptic number.

142240614461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142240614461 is a deficient number, since it is larger than the sum of its proper divisors (12933858883).

142240614461 is a wasteful number, since it uses less digits than its factorization.

142240614461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241171.

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 142240614461 in words is "one hundred forty-two billion, two hundred forty million, six hundred fourteen thousand, four hundred sixty-one".

Divisors: 1 11 80473 160687 885203 1767557 12930964951 142240614461