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211377130 = 2523919031
BaseRepresentation
bin11001001100101…
…01101111101010
3112201202001220121
430212111233222
5413103032010
632550313454
75144450566
oct1446255752
9481661817
10211377130
11a9353848
125a95888a
1334a3b933
14201046a6
15138553da
hexc995bea

211377130 has 16 divisors (see below), whose sum is σ = 397021824. Its totient is φ = 80874640.

The previous prime is 211377119. The next prime is 211377137. The reversal of 211377130 is 31773112.

It is a super-3 number, since 3×2113771303 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211377095 and 211377104.

It is not an unprimeable number, because it can be changed into a prime (211377137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459286 + ... + 459745.

It is an arithmetic number, because the mean of its divisors is an integer number (24813864).

Almost surely, 2211377130 is an apocalyptic number.

211377130 is a deficient number, since it is larger than the sum of its proper divisors (185644694).

211377130 is a wasteful number, since it uses less digits than its factorization.

211377130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919061.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 211377130 is about 14538.8146009226. The cubic root of 211377130 is about 595.6886595895.

The spelling of 211377130 in words is "two hundred eleven million, three hundred seventy-seven thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 919031 1838062 4595155 9190310 21137713 42275426 105688565 211377130