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206427648151 = 2323937552783
BaseRepresentation
bin1100000001000000001…
…0111111000010010111
3201201211022001001011001
43000100002333002113
511340230434220101
6234455340524131
720625320025664
oct3002002770227
9651738031131
10206427648151
117a60003140a
1234010250647
1316609b89b8a
149dc3a10a6b
1555828d2901
hex30100bf097

206427648151 has 8 divisors (see below), whose sum is σ = 216304035840. Its totient is φ = 196626366552.

The previous prime is 206427648131. The next prime is 206427648181. The reversal of 206427648151 is 151846724602.

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 206427648151 - 29 = 206427647639 is a prime.

It is a super-2 number, since 2×2064276481512 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206427648131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18770895 + ... + 18781888.

It is an arithmetic number, because the mean of its divisors is an integer number (27038004480).

Almost surely, 2206427648151 is an apocalyptic number.

206427648151 is a deficient number, since it is larger than the sum of its proper divisors (9876387689).

206427648151 is a wasteful number, since it uses less digits than its factorization.

206427648151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37553045.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 206427648151 in words is "two hundred six billion, four hundred twenty-seven million, six hundred forty-eight thousand, one hundred fifty-one".

Divisors: 1 23 239 5497 37552783 863714009 8975115137 206427648151