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65419016142641 = 7312931028908261
BaseRepresentation
bin11101101111111100011010…
…01101111111111100110001
322120121222220201022011001112
432313332031031333330301
532033311121113031031
6351045025305043105
716531240130226650
oct1667761515777461
9276558821264045
1065419016142641
111993205a162427
127406788186495
132a66ca9b80ca5
141222423a1d197
15786a7339562b
hex3b7f8d37ff31

65419016142641 has 16 divisors (see below), whose sum is σ = 77439751431168. Its totient is φ = 54079418145600.

The previous prime is 65419016142637. The next prime is 65419016142661. The reversal of 65419016142641 is 14624161091456.

It is a cyclic number.

It is not a de Polignac number, because 65419016142641 - 22 = 65419016142637 is a prime.

It is a super-2 number, since 2×654190161426412 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65419016142641.

It is not an unprimeable number, because it can be changed into a prime (65419016142631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514390550 + ... + 514517711.

It is an arithmetic number, because the mean of its divisors is an integer number (4839984464448).

Almost surely, 265419016142641 is an apocalyptic number.

It is an amenable number.

65419016142641 is a deficient number, since it is larger than the sum of its proper divisors (12020735288527).

65419016142641 is a wasteful number, since it uses less digits than its factorization.

65419016142641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028908592.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 65419016142641 in words is "sixty-five trillion, four hundred nineteen billion, sixteen million, one hundred forty-two thousand, six hundred forty-one".

Divisors: 1 7 31 217 293 2051 9083 63581 1028908261 7202357827 31896156091 223273092637 301470120473 2110290843311 9345573734663 65419016142641