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128626102 = 21141142601
BaseRepresentation
bin1111010101010…
…10110110110110
322222000212211201
413222222312312
5230412013402
620432523114
73121206133
oct752526666
9288025751
10128626102
1166673770
12370b049a
1320857327
141312358a
15b45b687
hex7aaadb6

128626102 has 16 divisors (see below), whose sum is σ = 215614224. Its totient is φ = 57040000.

The previous prime is 128626087. The next prime is 128626103. The reversal of 128626102 is 201626821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128626103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70399 + ... + 72202.

It is an arithmetic number, because the mean of its divisors is an integer number (13475889).

Almost surely, 2128626102 is an apocalyptic number.

128626102 is a deficient number, since it is larger than the sum of its proper divisors (86988122).

128626102 is a wasteful number, since it uses less digits than its factorization.

128626102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142655.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 128626102 is about 11341.3448056216. The cubic root of 128626102 is about 504.7887911990.

The spelling of 128626102 in words is "one hundred twenty-eight million, six hundred twenty-six thousand, one hundred two".

Divisors: 1 2 11 22 41 82 451 902 142601 285202 1568611 3137222 5846641 11693282 64313051 128626102