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142176021476 = 2245777776817
BaseRepresentation
bin1000010001101001011…
…0011110101111100100
3111120222111021020001012
42010122112132233210
54312134030141401
6145151553321352
713162153146146
oct2043226365744
9446874236035
10142176021476
11553297262a5
122367a566258
131053a649378
146c4a626c96
153a71ca38bb
hex211a59ebe4

142176021476 has 12 divisors (see below), whose sum is σ = 249352478508. Its totient is φ = 70932456192.

The previous prime is 142176021467. The next prime is 142176021487. The reversal of 142176021476 is 674120671241.

142176021476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 130771917376 + 11404104100 = 361624^2 + 106790^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38886581 + ... + 38890236.

It is an arithmetic number, because the mean of its divisors is an integer number (20779373209).

Almost surely, 2142176021476 is an apocalyptic number.

It is an amenable number.

142176021476 is a deficient number, since it is larger than the sum of its proper divisors (107176457032).

142176021476 is a wasteful number, since it uses less digits than its factorization.

142176021476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77777278 (or 77777276 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 142176021476 in words is "one hundred forty-two billion, one hundred seventy-six million, twenty-one thousand, four hundred seventy-six".

Divisors: 1 2 4 457 914 1828 77776817 155553634 311107268 35544005369 71088010738 142176021476