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100681415 = 561330103
BaseRepresentation
bin1100000000001…
…00011011000111
321000110010221022
412000010123013
5201233301130
613553541355
72331530552
oct600043307
9230403838
10100681415
115191748a
122987485b
1317b21a03
14d52b699
158c8b7e5
hex60046c7

100681415 has 8 divisors (see below), whose sum is σ = 122798688. Its totient is φ = 79224480.

The previous prime is 100681391. The next prime is 100681421. The reversal of 100681415 is 514186001.

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

It is a de Polignac number, because none of the positive numbers 2k-100681415 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164747 + ... + 165356.

It is an arithmetic number, because the mean of its divisors is an integer number (15349836).

Almost surely, 2100681415 is an apocalyptic number.

100681415 is a deficient number, since it is larger than the sum of its proper divisors (22117273).

100681415 is an equidigital number, since it uses as much as digits as its factorization.

100681415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330169.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 100681415 is about 10034.0129061109. The cubic root of 100681415 is about 465.2107804571.

The spelling of 100681415 in words is "one hundred million, six hundred eighty-one thousand, four hundred fifteen".

Divisors: 1 5 61 305 330103 1650515 20136283 100681415