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142315653671 = 2771433358531
BaseRepresentation
bin1000010010001010101…
…1001000101000100111
3111121100020000021101222
42010202223020220213
54312430301404141
6145213502210555
713165500045122
oct2044253105047
9447306007358
10142315653671
11553a0527004
12236b9283a5b
1310560558179
146c60db33b9
153a7e18614b
hex2122ac8a27

142315653671 has 8 divisors (see below), whose sum is σ = 142929498864. Its totient is φ = 141702528960.

The previous prime is 142315653643. The next prime is 142315653673. The reversal of 142315653671 is 176356513241.

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 142315653671 - 226 = 142248544807 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 (142315653673) 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, 217676 + ... + 576206.

It is an arithmetic number, because the mean of its divisors is an integer number (17866187358).

Almost surely, 2142315653671 is an apocalyptic number.

142315653671 is a deficient number, since it is larger than the sum of its proper divisors (613845193).

142315653671 is a wasteful number, since it uses less digits than its factorization.

142315653671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360241.

The product of its digits is 453600, while the sum is 44.

The spelling of 142315653671 in words is "one hundred forty-two billion, three hundred fifteen million, six hundred fifty-three thousand, six hundred seventy-one".

Divisors: 1 277 1433 358531 396941 99313087 513774923 142315653671