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2664635310431 = 4096515000759
BaseRepresentation
bin100110110001101000101…
…001000010000101011111
3100102201220000102212201122
4212301220221002011133
5322124133114413211
65400041102201155
7363341101300253
oct46615051020537
910381800385648
102664635310431
1193807a190806
12370510b831bb
131643740801a3
1492d7d076263
15494a74b86db
hex26c68a4215f

2664635310431 has 4 divisors (see below), whose sum is σ = 2671150311600. Its totient is φ = 2658120309264.

The previous prime is 2664635310377. The next prime is 2664635310443. The reversal of 2664635310431 is 1340135364662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2664635310431 is a prime.

It is a super-2 number, since 2×26646353104312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664635510431) 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 3 ways as a sum of consecutive naturals, for example, 3257499971 + ... + 3257500788.

It is an arithmetic number, because the mean of its divisors is an integer number (667787577900).

Almost surely, 22664635310431 is an apocalyptic number.

2664635310431 is a deficient number, since it is larger than the sum of its proper divisors (6515001169).

2664635310431 is an equidigital number, since it uses as much as digits as its factorization.

2664635310431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6515001168.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 2664635310431 in words is "two trillion, six hundred sixty-four billion, six hundred thirty-five million, three hundred ten thousand, four hundred thirty-one".

Divisors: 1 409 6515000759 2664635310431