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342640060665 = 3575361570541
BaseRepresentation
bin1001111110001101111…
…00000110100011111001
31012202102011201112122020
410333012330012203321
521103211323420130
6421223501345053
733516640314120
oct4770674064371
91182364645566
10342640060665
11122349421a61
12564a5568189
1326406b3c436
14128261bcab7
158da5d3ae10
hex4fc6f068f9

342640060665 has 32 divisors (see below), whose sum is σ = 638363379456. Its totient is φ = 153680067840.

The previous prime is 342640060639. The next prime is 342640060667. The reversal of 342640060665 is 566060046243.

It is not a de Polignac number, because 342640060665 - 29 = 342640060153 is a prime.

It is a super-2 number, since 2×3426400606652 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342640060667) 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, 30779706 + ... + 30790835.

It is an arithmetic number, because the mean of its divisors is an integer number (19948855608).

Almost surely, 2342640060665 is an apocalyptic number.

342640060665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

342640060665 is a deficient number, since it is larger than the sum of its proper divisors (295723318791).

342640060665 is a wasteful number, since it uses less digits than its factorization.

342640060665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61570609.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 342640060665 in words is "three hundred forty-two billion, six hundred forty million, sixty thousand, six hundred sixty-five".

Divisors: 1 3 5 7 15 21 35 53 105 159 265 371 795 1113 1855 5565 61570541 184711623 307852705 430993787 923558115 1292981361 2154968935 3263238673 6464906805 9789716019 16316193365 22842670711 48948580095 68528012133 114213353555 342640060665