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65014262421 = 321671420807
BaseRepresentation
bin111100100011001001…
…101110101010010101
320012210221210201200020
4330203021232222111
52031122122344141
645511145135353
74461054053403
oct744311565225
9205727721606
1065014262421
1125632946699
121072518a559
136191540784
14320a7c8473
151a57a75266
hexf2326ea95

65014262421 has 4 divisors (see below), whose sum is σ = 86685683232. Its totient is φ = 43342841612.

The previous prime is 65014262389. The next prime is 65014262437. The reversal of 65014262421 is 12426241056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65014262421 - 25 = 65014262389 is a prime.

It is a super-3 number, since 3×650142624213 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65014262471) 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, 10835710401 + ... + 10835710406.

It is an arithmetic number, because the mean of its divisors is an integer number (21671420808).

Almost surely, 265014262421 is an apocalyptic number.

It is an amenable number.

65014262421 is a deficient number, since it is larger than the sum of its proper divisors (21671420811).

65014262421 is a wasteful number, since it uses less digits than its factorization.

65014262421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21671420810.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 65014262421 in words is "sixty-five billion, fourteen million, two hundred sixty-two thousand, four hundred twenty-one".

Divisors: 1 3 21671420807 65014262421