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34025131221 = 391112449737
BaseRepresentation
bin11111101100000011…
…100100110011010101
310020211021021202101020
4133230003210303111
51024140413144341
623344140351353
72313113562204
oct375403446325
9106737252336
1034025131221
1113480332764
126716b45559
133293275653
14190ac6123b
15d421b5566
hex7ec0e4cd5

34025131221 has 8 divisors (see below), whose sum is σ = 45416644224. Its totient is φ = 22658519520.

The previous prime is 34025131159. The next prime is 34025131229. The reversal of 34025131221 is 12213152043.

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

It is not a de Polignac number, because 34025131221 - 27 = 34025131093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34025131191 and 34025131200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34025131229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6222136 + ... + 6227601.

It is an arithmetic number, because the mean of its divisors is an integer number (5677080528).

Almost surely, 234025131221 is an apocalyptic number.

It is an amenable number.

34025131221 is a deficient number, since it is larger than the sum of its proper divisors (11391513003).

34025131221 is a wasteful number, since it uses less digits than its factorization.

34025131221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12450651.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 34025131221 its reverse (12213152043), we get a palindrome (46238283264).

The spelling of 34025131221 in words is "thirty-four billion, twenty-five million, one hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 3 911 2733 12449737 37349211 11341710407 34025131221