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5897132690642 = 217171392
BaseRepresentation
bin101010111010000100001…
…1111111100110011010010
3202212202112022112210122122
41111310020133330303102
51233104311432100032
620313034431334242
71146024305545154
oct125641037746322
922782468483578
105897132690642
111973a617363a6
127b2aa1981382
1333a1357b71cb
141655cc026ad4
15a35e816a012
hex55d087fccd2

5897132690642 has 6 divisors (see below), whose sum is σ = 8845704187383. Its totient is φ = 2948564628182.

The previous prime is 5897132690633. The next prime is 5897132690651. The reversal of 5897132690642 is 2460962317985.

It is an interprime number because it is at equal distance from previous prime (5897132690633) and next prime (5897132690651).

It can be written as a sum of positive squares in only one way, i.e., 2948566345321 + 2948566345321 = 1717139^2 + 1717139^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1717139.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2575709 + ... + 4292847.

It is a 1-persistent number, because it is pandigital, but 2⋅5897132690642 = 11794265381284 is not.

Almost surely, 25897132690642 is an apocalyptic number.

5897132690642 is a deficient number, since it is larger than the sum of its proper divisors (2948571496741).

5897132690642 is an frugal number, since it uses more digits than its factorization.

5897132690642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434280 (or 1717141 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 5897132690642 in words is "five trillion, eight hundred ninety-seven billion, one hundred thirty-two million, six hundred ninety thousand, six hundred forty-two".

Divisors: 1 2 1717139 3434278 2948566345321 5897132690642