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217086483190 = 25137158457287
BaseRepresentation
bin1100101000101101011…
…1001101101011110110
3202202100010111222001011
43022023113031223312
512024043114430230
6243421140422434
721453414442543
oct3121327155366
9682303458034
10217086483190
118407a729995
12360a59a7a1a
1317618202865
14a715473bca
1559a8530e2a
hex328b5cdaf6

217086483190 has 16 divisors (see below), whose sum is σ = 393607903392. Its totient is φ = 86200763584.

The previous prime is 217086483127. The next prime is 217086483191. The reversal of 217086483190 is 91384680712.

It is a super-2 number, since 2×2170864831902 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217086483191) 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, 79227274 + ... + 79230013.

It is an arithmetic number, because the mean of its divisors is an integer number (24600493962).

Almost surely, 2217086483190 is an apocalyptic number.

217086483190 is a deficient number, since it is larger than the sum of its proper divisors (176521420202).

217086483190 is a wasteful number, since it uses less digits than its factorization.

217086483190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158457431.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 217086483190 in words is "two hundred seventeen billion, eighty-six million, four hundred eighty-three thousand, one hundred ninety".

Divisors: 1 2 5 10 137 274 685 1370 158457287 316914574 792286435 1584572870 21708648319 43417296638 108543241595 217086483190