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142116377 = 1329573697
BaseRepresentation
bin10000111100010…
…00011000011001
3100220102021000112
420132020120121
5242340211002
622034014105
73343653314
oct1036103031
9326367015
10142116377
1173248157
123b717335
132359b740
1414c3597b
15c723852
hex8788619

142116377 has 8 divisors (see below), whose sum is σ = 153141576. Its totient is φ = 131104512.

The previous prime is 142116361. The next prime is 142116389. The reversal of 142116377 is 773611241.

It can be written as a sum of positive squares in 4 ways, for example, as 6370576 + 135745801 = 2524^2 + 11651^2 .

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 142116377 - 24 = 142116361 is a prime.

It is a super-2 number, since 2×1421163772 = 40394129223212258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142116347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36593 + ... + 40289.

It is an arithmetic number, because the mean of its divisors is an integer number (19142697).

Almost surely, 2142116377 is an apocalyptic number.

It is an amenable number.

142116377 is a deficient number, since it is larger than the sum of its proper divisors (11025199).

142116377 is a wasteful number, since it uses less digits than its factorization.

142116377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667.

The product of its digits is 7056, while the sum is 32.

The square root of 142116377 is about 11921.2573581816. The cubic root of 142116377 is about 521.8528293831.

The spelling of 142116377 in words is "one hundred forty-two million, one hundred sixteen thousand, three hundred seventy-seven".

Divisors: 1 13 2957 3697 38441 48061 10932029 142116377