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389705600144 = 24717983208217
BaseRepresentation
bin1011010101111000100…
…00111000110010010000
31101020220020211200012002
411222330100320302100
522341104113201034
6455010035253132
740104160642310
oct5527420706220
91336806750162
10389705600144
11140300719423
126363b74a1a8
132a997964093
1414c0ccc7440
15a20cc85e7e
hex5abc438c90

389705600144 has 80 divisors (see below), whose sum is σ = 914613389568. Its totient is φ = 157031510016.

The previous prime is 389705600131. The next prime is 389705600177. The reversal of 389705600144 is 441006507983.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1767524 + ... + 1975740.

Almost surely, 2389705600144 is an apocalyptic number.

389705600144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389705600144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457306694784).

389705600144 is an abundant number, since it is smaller than the sum of its proper divisors (524907789424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389705600144 is a wasteful number, since it uses less digits than its factorization.

389705600144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209232 (or 209226 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 389705600144 in words is "three hundred eighty-nine billion, seven hundred five million, six hundred thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 17 28 34 56 68 112 119 136 238 272 476 952 983 1904 1966 3932 6881 7864 13762 15728 16711 27524 33422 55048 66844 110096 116977 133688 208217 233954 267376 416434 467908 832868 935816 1457519 1665736 1871632 2915038 3331472 3539689 5830076 7079378 11660152 14158756 23320304 24777823 28317512 49555646 56635024 99111292 198222584 204677311 396445168 409354622 818709244 1432741177 1637418488 2865482354 3274836976 3479514287 5730964708 6959028574 11461929416 13918057148 22923858832 24356600009 27836114296 48713200018 55672228592 97426400036 194852800072 389705600144