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213011012213 = 6727299116461
BaseRepresentation
bin1100011001100001110…
…0100001101001110101
3202100211002210120212122
43012120130201221311
511442221304342323
6241504513125325
721250416505136
oct3063034415165
9670732716778
10213011012213
118237918825a
1235348b59845
1317118a7837c
14a44a0b5c8d
15581a84dec8
hex3198721a75

213011012213 has 8 divisors (see below), whose sum is σ = 216200056800. Its totient is φ = 209822255280.

The previous prime is 213011012209. The next prime is 213011012237. The reversal of 213011012213 is 312210110312.

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 213011012213 - 22 = 213011012209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213011012191 and 213011012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213011012243) 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, 1770803 + ... + 1887263.

It is an arithmetic number, because the mean of its divisors is an integer number (27025007100).

Almost surely, 2213011012213 is an apocalyptic number.

It is an amenable number.

213011012213 is a deficient number, since it is larger than the sum of its proper divisors (3189044587).

213011012213 is a wasteful number, since it uses less digits than its factorization.

213011012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143827.

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

Adding to 213011012213 its reverse (312210110312), we get a palindrome (525221122525).

The spelling of 213011012213 in words is "two hundred thirteen billion, eleven million, twelve thousand, two hundred thirteen".

Divisors: 1 67 27299 116461 1829033 7802887 3179268839 213011012213