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30026378458 = 2109137735681
BaseRepresentation
bin11011111101101101…
…100010110011011010
32212111120221001211001
4123331231202303122
5442443223102313
621443253255214
72112040001656
oct337555426332
985446831731
1030026378458
111180912060a
12599b93450a
132aa699c85b
14164bb53a66
15bab0d9add
hex6fdb62cda

30026378458 has 8 divisors (see below), whose sum is σ = 45452775060. Its totient is φ = 14875453440.

The previous prime is 30026378387. The next prime is 30026378461. The reversal of 30026378458 is 85487362003.

It can be written as a sum of positive squares in 2 ways, for example, as 28897620049 + 1128758409 = 169993^2 + 33597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68867623 + ... + 68868058.

Almost surely, 230026378458 is an apocalyptic number.

30026378458 is a deficient number, since it is larger than the sum of its proper divisors (15426396602).

30026378458 is a wasteful number, since it uses less digits than its factorization.

30026378458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137735792.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 30026378458 in words is "thirty billion, twenty-six million, three hundred seventy-eight thousand, four hundred fifty-eight".

Divisors: 1 2 109 218 137735681 275471362 15013189229 30026378458