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16669202532 = 2231389100211
BaseRepresentation
bin11111000011000111…
…11101100001100100
31121000201001020002120
433201203331201210
5233114303440112
611354022505540
71130035612053
oct174143754144
947021036076
1016669202532
11708436a644
1232925952b0
131758601668
14b41bb039a
15678632e8c
hex3e18fd864

16669202532 has 12 divisors (see below), whose sum is σ = 38894805936. Its totient is φ = 5556400840.

The previous prime is 16669202497. The next prime is 16669202573. The reversal of 16669202532 is 23520296661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×166692025322 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694550094 + ... + 694550117.

It is an arithmetic number, because the mean of its divisors is an integer number (3241233828).

Almost surely, 216669202532 is an apocalyptic number.

16669202532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16669202532 is an abundant number, since it is smaller than the sum of its proper divisors (22225603404).

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

16669202532 is a wasteful number, since it uses less digits than its factorization.

16669202532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389100218 (or 1389100216 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 16669202532 in words is "sixteen billion, six hundred sixty-nine million, two hundred two thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 1389100211 2778200422 4167300633 5556400844 8334601266 16669202532