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84242774244231 = 3261751204324469
BaseRepresentation
bin10011001001111001001100…
…101000100011101110000111
3102001021112022210010011012100
4103021321030220203232013
542020213200201303411
6455100332441123143
723513224323136041
oct2311711450435607
9361245283104170
1084242774244231
112492a183946779
1295469927894b3
1338010a0a0c3b5
1416b352cbc0a91
159b153419d456
hex4c9e4ca23b87

84242774244231 has 24 divisors (see below), whose sum is σ = 123843513160640. Its totient is φ = 55167606360000.

The previous prime is 84242774244203. The next prime is 84242774244257. The reversal of 84242774244231 is 13244247724248.

84242774244231 is a `hidden beast` number, since 8 + 42 + 42 + 77 + 424 + 42 + 31 = 666.

It is not a de Polignac number, because 84242774244231 - 225 = 84242740689799 is a prime.

It is a super-2 number, since 2×842427742442312 (a number of 29 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 (84242774284231) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 101749936 + ... + 102574533.

Almost surely, 284242774244231 is an apocalyptic number.

84242774244231 is a deficient number, since it is larger than the sum of its proper divisors (39600738916409).

84242774244231 is a wasteful number, since it uses less digits than its factorization.

84242774244231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204325287 (or 204325284 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 54.

The spelling of 84242774244231 in words is "eighty-four trillion, two hundred forty-two billion, seven hundred seventy-four million, two hundred forty-four thousand, two hundred thirty-one".

Divisors: 1 3 9 61 183 549 751 2253 6759 45811 137433 412299 204324469 612973407 1838920221 12463792609 37391377827 112174133481 153447676219 460343028657 1381029085971 9360308249359 28080924748077 84242774244231