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207542369052 = 22325765065807
BaseRepresentation
bin1100000101001001111…
…1010011101100011100
3201211200222120201202100
43001102133103230130
511400021321302202
6235202121125100
720665044013104
oct3012237235434
9654628521670
10207542369052
1180022290757
1234281629790
1316756ac3145
14a08baa2204
1555ea6c541c
hex30527d3b1c

207542369052 has 18 divisors (see below), whose sum is σ = 524620988528. Its totient is φ = 69180789672.

The previous prime is 207542369051. The next prime is 207542369117. The reversal of 207542369052 is 250963245702.

207542369052 is a `hidden beast` number, since 20 + 7 + 542 + 36 + 9 + 0 + 52 = 666.

207542369052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 207542368989 and 207542369007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207542369051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2882532868 + ... + 2882532939.

Almost surely, 2207542369052 is an apocalyptic number.

It is an amenable number.

207542369052 is an abundant number, since it is smaller than the sum of its proper divisors (317078619476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

207542369052 is a wasteful number, since it uses less digits than its factorization.

207542369052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765065817 (or 5765065812 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 207542369052 in words is "two hundred seven billion, five hundred forty-two million, three hundred sixty-nine thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 5765065807 11530131614 17295197421 23060263228 34590394842 51885592263 69180789684 103771184526 207542369052