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206315625371 = 3723337676353
BaseRepresentation
bin1100000000100101011…
…1101001101110011011
3201201112111020200210012
43000021113221232123
511340013300002441
6234440255512135
720622456610652
oct3001127515633
9651474220705
10206315625371
117a552878aa9
1233b9a82864b
13165bc8c6bcb
149db2bb0199
155577b559eb
hex30095e9b9b

206315625371 has 16 divisors (see below), whose sum is σ = 212891125824. Its totient is φ = 199793470464.

The previous prime is 206315625251. The next prime is 206315625407. The reversal of 206315625371 is 173526513602.

206315625371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-206315625371 is a prime.

It is a super-2 number, since 2×2063156253712 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206315625871) 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 15 ways as a sum of consecutive naturals, for example, 32472131 + ... + 32478483.

It is an arithmetic number, because the mean of its divisors is an integer number (13305695364).

Almost surely, 2206315625371 is an apocalyptic number.

206315625371 is a deficient number, since it is larger than the sum of its proper divisors (6575500453).

206315625371 is a wasteful number, since it uses less digits than its factorization.

206315625371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10390.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 206315625371 in words is "two hundred six billion, three hundred fifteen million, six hundred twenty-five thousand, three hundred seventy-one".

Divisors: 1 37 233 3767 6353 8621 139379 235061 877711 1480249 23931751 32475307 54769213 885474787 5576097983 206315625371