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212013013331 = 7191594082807
BaseRepresentation
bin1100010101110011110…
…1011101100101010011
3202021020112212222210002
43011130331131211103
511433200312411311
6241221502400215
721213610610330
oct3053475354523
9667215788702
10212013013331
1181a06900999
123510a89006b
1316cba08bca2
14a393729987
1557ace1593b
hex315cf5d953

212013013331 has 8 divisors (see below), whose sum is σ = 255053249280. Its totient is φ = 172160943048.

The previous prime is 212013013307. The next prime is 212013013337. The reversal of 212013013331 is 133310310212.

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

It is a cyclic number.

It is not a de Polignac number, because 212013013331 - 210 = 212013012307 is a prime.

It is a super-2 number, since 2×2120130133312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212013013337) 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, 797041271 + ... + 797041536.

It is an arithmetic number, because the mean of its divisors is an integer number (31881656160).

Almost surely, 2212013013331 is an apocalyptic number.

212013013331 is a deficient number, since it is larger than the sum of its proper divisors (43040235949).

212013013331 is a wasteful number, since it uses less digits than its factorization.

212013013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594082833.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 212013013331 its reverse (133310310212), we get a palindrome (345323323543).

The spelling of 212013013331 in words is "two hundred twelve billion, thirteen million, thirteen thousand, three hundred thirty-one".

Divisors: 1 7 19 133 1594082807 11158579649 30287573333 212013013331