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102868851 = 334289617
BaseRepresentation
bin1100010000110…
…10011101110011
321011120021112110
412020122131303
5202313300401
614112500403
72356241121
oct610323563
9234507473
10102868851
1153080988
122a54a703
1318409557
14d93a911
15906e9d6
hex621a773

102868851 has 4 divisors (see below), whose sum is σ = 137158472. Its totient is φ = 68579232.

The previous prime is 102868841. The next prime is 102868867. The reversal of 102868851 is 158868201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102868851 - 214 = 102852467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102868841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17144806 + ... + 17144811.

It is an arithmetic number, because the mean of its divisors is an integer number (34289618).

Almost surely, 2102868851 is an apocalyptic number.

102868851 is a deficient number, since it is larger than the sum of its proper divisors (34289621).

102868851 is an equidigital number, since it uses as much as digits as its factorization.

102868851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34289620.

The product of its (nonzero) digits is 30720, while the sum is 39.

The square root of 102868851 is about 10142.4282595442. The cubic root of 102868851 is about 468.5557764603. Note that the first 3 decimals are identical.

The spelling of 102868851 in words is "one hundred two million, eight hundred sixty-eight thousand, eight hundred fifty-one".

Divisors: 1 3 34289617 102868851