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213012262169 = 7232731484459
BaseRepresentation
bin1100011001100010000…
…1010010110100011001
3202100211012011002111022
43012120201102310121
511442222114342134
6241505000012225
721250433232260
oct3063041226431
9670735132438
10213012262169
1182379961383
1235349461075
13171190c52a5
14a44a31d5d7
15581a9e952e
hex3198852d19

213012262169 has 16 divisors (see below), whose sum is σ = 254120586240. Its totient is φ = 174579284880.

The previous prime is 213012262121. The next prime is 213012262237. The reversal of 213012262169 is 961262210312.

It is not a de Polignac number, because 213012262169 - 212 = 213012258073 is a prime.

It is a super-2 number, since 2×2130122621692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213012262109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197462 + ... + 681920.

It is an arithmetic number, because the mean of its divisors is an integer number (15882536640).

Almost surely, 2213012262169 is an apocalyptic number.

It is an amenable number.

213012262169 is a deficient number, since it is larger than the sum of its proper divisors (41108324071).

213012262169 is a wasteful number, since it uses less digits than its factorization.

213012262169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487220.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 213012262169 in words is "two hundred thirteen billion, twelve million, two hundred sixty-two thousand, one hundred sixty-nine".

Divisors: 1 7 23 161 2731 19117 62813 439691 484459 3391213 11142557 77997899 1323057529 9261402703 30430323167 213012262169