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102208713 = 3137248683
BaseRepresentation
bin1100001011110…
…01010011001001
321010022201222220
412011321103021
5202131134323
614050404253
72350521405
oct605712311
9233281886
10102208713
115276aa12
122a290689
1318237c39
14d808105
158e8e0e3
hex61794c9

102208713 has 8 divisors (see below), whose sum is σ = 137273568. Its totient is φ = 67641504.

The previous prime is 102208697. The next prime is 102208723. The reversal of 102208713 is 317802201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102208713 - 24 = 102208697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102208723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123931 + ... + 124752.

It is an arithmetic number, because the mean of its divisors is an integer number (17159196).

Almost surely, 2102208713 is an apocalyptic number.

It is an amenable number.

102208713 is a deficient number, since it is larger than the sum of its proper divisors (35064855).

102208713 is a wasteful number, since it uses less digits than its factorization.

102208713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248823.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 102208713 is about 10109.8324911939. The cubic root of 102208713 is about 467.5513406016.

The spelling of 102208713 in words is "one hundred two million, two hundred eight thousand, seven hundred thirteen".

Divisors: 1 3 137 411 248683 746049 34069571 102208713