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211033210985 = 5311361504587
BaseRepresentation
bin1100010010001010001…
…1110100000001101001
3202011201021012212122022
43010202203310001221
511424144000222420
6240540342034225
721150412460612
oct3044243640151
9664637185568
10211033210985
1181553822993
1234a96718975
1316b920a419c
14a2dd558c09
155751dc3c25
hex31228f4069

211033210985 has 8 divisors (see below), whose sum is σ = 261408880896. Its totient is φ = 163380550320.

The previous prime is 211033210963. The next prime is 211033211027. The reversal of 211033210985 is 589012330112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211033210985 - 212 = 211033206889 is a prime.

It is a super-2 number, since 2×2110332109852 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680752139 + ... + 680752448.

It is an arithmetic number, because the mean of its divisors is an integer number (32676110112).

Almost surely, 2211033210985 is an apocalyptic number.

It is an amenable number.

211033210985 is a deficient number, since it is larger than the sum of its proper divisors (50375669911).

211033210985 is a wasteful number, since it uses less digits than its factorization.

211033210985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361504623.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 211033210985 in words is "two hundred eleven billion, thirty-three million, two hundred ten thousand, nine hundred eighty-five".

Divisors: 1 5 31 155 1361504587 6807522935 42206642197 211033210985