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21160166150 = 2521669253567
BaseRepresentation
bin10011101101001111…
…101000001100000110
32000121200120211000102
4103231033220030012
5321314000304100
613415411444102
71346240305334
oct235517501406
960550524012
1021160166150
118a793a9022
1241265b6632
131cc2b63096
14104a406b54
1583ca38cd5
hex4ed3e8306

21160166150 has 24 divisors (see below), whose sum is σ = 39381646080. Its totient is φ = 8458961760.

The previous prime is 21160166117. The next prime is 21160166197. The reversal of 21160166150 is 5166106112.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 43334 + ... + 210233.

It is an arithmetic number, because the mean of its divisors is an integer number (1640901920).

Almost surely, 221160166150 is an apocalyptic number.

21160166150 is a deficient number, since it is larger than the sum of its proper divisors (18221479930).

21160166150 is a wasteful number, since it uses less digits than its factorization.

21160166150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255248 (or 255243 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 21160166150 in words is "twenty-one billion, one hundred sixty million, one hundred sixty-six thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 1669 3338 8345 16690 41725 83450 253567 507134 1267835 2535670 6339175 12678350 423203323 846406646 2116016615 4232033230 10580083075 21160166150