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34010531521 = 298597136417
BaseRepresentation
bin11111101011001011…
…111000011011000001
310020210020211000100121
4133223023320123001
51024123144002041
623342455420241
72312545514401
oct375313703301
9106706730317
1034010531521
111347307079a
126712084681
133290233285
141908d40801
15d40c7e7d1
hex7eb2f86c1

34010531521 has 8 divisors (see below), whose sum is σ = 35187658920. Its totient is φ = 32833694208.

The previous prime is 34010531479. The next prime is 34010531539. The reversal of 34010531521 is 12513501043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19624927921 + 14385603600 = 140089^2 + 119940^2 .

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

It is not a de Polignac number, because 34010531521 - 219 = 34010007233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34010531921) 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, 181105 + ... + 317521.

It is an arithmetic number, because the mean of its divisors is an integer number (4398457365).

Almost surely, 234010531521 is an apocalyptic number.

It is an amenable number.

34010531521 is a deficient number, since it is larger than the sum of its proper divisors (1177127399).

34010531521 is a wasteful number, since it uses less digits than its factorization.

34010531521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145043.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 34010531521 in words is "thirty-four billion, ten million, five hundred thirty-one thousand, five hundred twenty-one".

Divisors: 1 29 8597 136417 249313 3956093 1172776949 34010531521