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142231654947 = 3446310623023
BaseRepresentation
bin1000010001110110101…
…0101101001000100011
3111121010100221200211010
42010131222231020203
54312242300424242
6145201301552003
713163430055644
oct2043552551043
9447110850733
10142231654947
1155358074578
1223695115603
1310549027995
146c53b896cb
153a76ae289c
hex211daad223

142231654947 has 8 divisors (see below), whose sum is σ = 189684716544. Its totient is φ = 94799848328.

The previous prime is 142231654889. The next prime is 142231654949. The reversal of 142231654947 is 749456132241.

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 142231654947 - 26 = 142231654883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142231654896 and 142231654905.

It is not an unprimeable number, because it can be changed into a prime (142231654949) 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, 5298123 + ... + 5324900.

It is an arithmetic number, because the mean of its divisors is an integer number (23710589568).

Almost surely, 2142231654947 is an apocalyptic number.

142231654947 is a deficient number, since it is larger than the sum of its proper divisors (47453061597).

142231654947 is a wasteful number, since it uses less digits than its factorization.

142231654947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10627489.

The product of its digits is 1451520, while the sum is 48.

The spelling of 142231654947 in words is "one hundred forty-two billion, two hundred thirty-one million, six hundred fifty-four thousand, nine hundred forty-seven".

Divisors: 1 3 4463 13389 10623023 31869069 47410551649 142231654947