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84860818874 = 21311346376229
BaseRepresentation
bin100111100001000011…
…0010101010110111010
322010001002121020221122
41033002012111112322
52342243332200444
6102552353505242
76062634026126
oct1170206252672
9263032536848
1084860818874
1132a977a1267
1214543872222
1380051b1cc0
14417056a586
15231a0d14ee
hex13c21955ba

84860818874 has 32 divisors (see below), whose sum is σ = 138348015120. Its totient is φ = 38805322752.

The previous prime is 84860818811. The next prime is 84860818879. The reversal of 84860818874 is 47881806848.

It can be written as a sum of positive squares in 8 ways, for example, as 1574899225 + 83285919649 = 39685^2 + 288593^2 .

It is a super-3 number, since 3×848608188743 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (84860818879) 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, 13620392 + ... + 13626620.

Almost surely, 284860818874 is an apocalyptic number.

84860818874 is a deficient number, since it is larger than the sum of its proper divisors (53487196246).

84860818874 is a wasteful number, since it uses less digits than its factorization.

84860818874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10994.

The product of its (nonzero) digits is 22020096, while the sum is 62.

The spelling of 84860818874 in words is "eighty-four billion, eight hundred sixty million, eight hundred eighteen thousand, eight hundred seventy-four".

Divisors: 1 2 13 26 113 226 1469 2938 4637 6229 9274 12458 60281 80977 120562 161954 523981 703877 1047962 1407754 6811753 9150401 13623506 18300802 28883873 57767746 375490349 750980698 3263877649 6527755298 42430409437 84860818874