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102128413618 = 27112772394121
BaseRepresentation
bin101111100011101010…
…0111110101110110010
3100202121111121221211201
41133013110332232302
53133124333213433
6114530034201414
710243560123010
oct1370724765662
9322544557751
10102128413618
113a348910820
121796272326a
13982776849a
144d2b9c58b0
1529cb015a7d
hex17c753ebb2

102128413618 has 32 divisors (see below), whose sum is σ = 191682983808. Its totient is φ = 39646627200.

The previous prime is 102128413613. The next prime is 102128413633. The reversal of 102128413618 is 816314821201.

It is not an unprimeable number, because it can be changed into a prime (102128413613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154403 + ... + 1239718.

It is an arithmetic number, because the mean of its divisors is an integer number (5990093244).

Almost surely, 2102128413618 is an apocalyptic number.

102128413618 is a deficient number, since it is larger than the sum of its proper divisors (89554570190).

102128413618 is a wasteful number, since it uses less digits than its factorization.

102128413618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394418.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 102128413618 in words is "one hundred two billion, one hundred twenty-eight million, four hundred thirteen thousand, six hundred eighteen".

Divisors: 1 2 7 11 14 22 77 154 277 554 1939 3047 3878 6094 21329 42658 2394121 4788242 16758847 26335331 33517694 52670662 184347317 368694634 663171517 1326343034 4642200619 7294886687 9284401238 14589773374 51064206809 102128413618