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142271346609 = 32719118856597
BaseRepresentation
bin1000010010000000001…
…0000111011110110001
3111121020010122020112200
42010200002013132301
54312332431042414
6145205240413413
713164421331040
oct2044002073661
9447203566480
10142271346609
11553785144a7
12236a6477269
1310554314082
146c5915c557
153a7a333109
hex21200877b1

142271346609 has 24 divisors (see below), whose sum is σ = 247221723840. Its totient is φ = 77019074208.

The previous prime is 142271346601. The next prime is 142271346617. The reversal of 142271346609 is 906643172241.

142271346609 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 7 + 1 + 34 + 6 + 609 = 666.

It is an interprime number because it is at equal distance from previous prime (142271346601) and next prime (142271346617).

It is not a de Polignac number, because 142271346609 - 23 = 142271346601 is a prime.

It is a super-2 number, since 2×1422713466092 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142271346601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59427102 + ... + 59429495.

It is an arithmetic number, because the mean of its divisors is an integer number (10300905160).

Almost surely, 2142271346609 is an apocalyptic number.

142271346609 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

142271346609 is a deficient number, since it is larger than the sum of its proper divisors (104950377231).

142271346609 is a wasteful number, since it uses less digits than its factorization.

142271346609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118856629 (or 118856626 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 142271346609 in words is "one hundred forty-two billion, two hundred seventy-one million, three hundred forty-six thousand, six hundred nine".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 1197 118856597 356569791 831996179 1069709373 2258275343 2495988537 6774826029 7487965611 15807927401 20324478087 47423782203 142271346609