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142966811 = 13195367163
BaseRepresentation
bin10001000010110…
…00000000011011
3100222000110121002
420201120000123
5243044414221
622104135215
73354124601
oct1041300033
9328013532
10142966811
1173779099
123ba6750b
1323808860
1414db7871
15c84080b
hex885801b

142966811 has 32 divisors (see below), whose sum is σ = 168618240. Its totient is φ = 120092544.

The previous prime is 142966799. The next prime is 142966843. The reversal of 142966811 is 118669241.

It is not a de Polignac number, because 142966811 - 210 = 142965787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142966891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877016 + ... + 877178.

It is an arithmetic number, because the mean of its divisors is an integer number (5269320).

Almost surely, 2142966811 is an apocalyptic number.

142966811 is a deficient number, since it is larger than the sum of its proper divisors (25651429).

142966811 is a wasteful number, since it uses less digits than its factorization.

142966811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

The product of its digits is 20736, while the sum is 38.

The square root of 142966811 is about 11956.8729607703. The cubic root of 142966811 is about 522.8916941124.

The spelling of 142966811 in words is "one hundred forty-two million, nine hundred sixty-six thousand, eight hundred eleven".

Divisors: 1 13 19 53 67 163 247 689 871 1007 1273 2119 3097 3551 8639 10921 13091 16549 40261 46163 67469 112307 141973 164141 207499 578813 877097 2133833 2697487 7524569 10997447 142966811