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869353353968 = 241131091588777
BaseRepresentation
bin11001010011010010111…
…11110111001011110000
310002002221201201011021012
430221221133313023300
5103220413424311333
61503213031250052
7116544246404201
oct14515137671360
93062851634235
10869353353968
11305766339060
121205a0819928
1363c97445828
14301111315a8
1517931c6de48
hexca697f72f0

869353353968 has 40 divisors (see below), whose sum is σ = 1838089043760. Its totient is φ = 395033264640.

The previous prime is 869353353959. The next prime is 869353353997.

869353353968 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 869353353898 and 869353353907.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 247205 + ... + 1341572.

It is an arithmetic number, because the mean of its divisors is an integer number (45952226094).

Almost surely, 2869353353968 is an apocalyptic number.

869353353968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

869353353968 is an abundant number, since it is smaller than the sum of its proper divisors (968735689792).

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

869353353968 is a wasteful number, since it uses less digits than its factorization.

869353353968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591905 (or 1591899 counting only the distinct ones).

The product of its digits is 377913600, while the sum is 68.

The spelling of 869353353968 in words is "eight hundred sixty-nine billion, three hundred fifty-three million, three hundred fifty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 3109 6218 12436 24872 34199 49744 68398 136796 273592 547184 1588777 3177554 6355108 12710216 17476547 25420432 34953094 69906188 139812376 279624752 4939507693 9879015386 19758030772 39516061544 54334584623 79032123088 108669169246 217338338492 434676676984 869353353968