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211211310032 = 2413200706877
BaseRepresentation
bin1100010010110100101…
…1001101001111010000
3202012011200100020121022
43010231023031033100
511430030043410112
6241010143215012
721155004341042
oct3045513151720
9665150306538
10211211310032
1181635307388
1234b262a7468
1316bbcc60a38
14a319079a92
155762853d72
hex312d2cd3d0

211211310032 has 10 divisors (see below), whose sum is σ = 409221913218. Its totient is φ = 105605655008.

The previous prime is 211211310017. The next prime is 211211310083. The reversal of 211211310032 is 230013112112.

It can be written as a sum of positive squares in only one way, i.e., 111807309376 + 99404000656 = 334376^2 + 315284^2 .

It is a super-2 number, since 2×2112113100322 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600353423 + ... + 6600353454.

Almost surely, 2211211310032 is an apocalyptic number.

It is an amenable number.

211211310032 is a deficient number, since it is larger than the sum of its proper divisors (198010603186).

211211310032 is a wasteful number, since it uses less digits than its factorization.

211211310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13200706885 (or 13200706879 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211211310032 its reverse (230013112112), we get a palindrome (441224422144).

The spelling of 211211310032 in words is "two hundred eleven billion, two hundred eleven million, three hundred ten thousand, thirty-two".

Divisors: 1 2 4 8 16 13200706877 26401413754 52802827508 105605655016 211211310032