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613870470221 = 2943709694327
BaseRepresentation
bin10001110111011011000…
…10000000010001001101
32011200111200120221121112
420323231202000101031
540024201320021341
61150001434341405
762231165621501
oct10735542002115
92150450527545
10613870470221
11217382971128
129ab7bb8a865
1345b70486938
14219d6480301
1510e7c916aeb
hex8eed88044d

613870470221 has 16 divisors (see below), whose sum is σ = 650724201600. Its totient is φ = 578101382208.

The previous prime is 613870470209. The next prime is 613870470277. The reversal of 613870470221 is 122074078316.

It is a cyclic number.

It is not a de Polignac number, because 613870470221 - 214 = 613870453837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613870460221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536960 + ... + 1231286.

It is an arithmetic number, because the mean of its divisors is an integer number (40670262600).

Almost surely, 2613870470221 is an apocalyptic number.

It is an amenable number.

613870470221 is a deficient number, since it is larger than the sum of its proper divisors (36853731379).

613870470221 is a wasteful number, since it uses less digits than its factorization.

613870470221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695108.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 613870470221 in words is "six hundred thirteen billion, eight hundred seventy million, four hundred seventy thousand, two hundred twenty-one".

Divisors: 1 29 43 709 1247 20561 30487 694327 884123 20135483 29856061 492277843 865825769 14276057447 21167947249 613870470221