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142552012146 = 2323758668691
BaseRepresentation
bin1000010011000011000…
…0110001010101110010
3111121221200202112021120
42010300300301111302
54313421303342041
6145253144203110
713204400052645
oct2046060612562
9447850675246
10142552012146
1155501992695
1223764469496
131059a50265b
146c8453ba5c
153a94cc3366
hex2130c31572

142552012146 has 8 divisors (see below), whose sum is σ = 285104024304. Its totient is φ = 47517337380.

The previous prime is 142552012111. The next prime is 142552012151. The reversal of 142552012146 is 641210255241.

It is a happy number.

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

142552012146 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11879334340 + ... + 11879334351.

It is an arithmetic number, because the mean of its divisors is an integer number (35638003038).

Almost surely, 2142552012146 is an apocalyptic number.

142552012146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142552012146 is a wasteful number, since it uses less digits than its factorization.

142552012146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23758668696.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 142552012146 its reverse (641210255241), we get a palindrome (783762267387).

The spelling of 142552012146 in words is "one hundred forty-two billion, five hundred fifty-two million, twelve thousand, one hundred forty-six".

Divisors: 1 2 3 6 23758668691 47517337382 71276006073 142552012146