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80053454108879 = 1721915527938947
BaseRepresentation
bin10010001100111011100101…
…101100011111100011001111
3101111110000221212012002212022
4102030323211230133203033
540443043433222441004
6442132014335400355
722601446135420346
oct2214734554374317
9344400855162768
1080053454108879
112356452a945329
128b8aa8b9830bb
1335890153c1444
1415aa871d38b5d
1593c5926732be
hex48cee5b1f8cf

80053454108879 has 24 divisors (see below), whose sum is σ = 89521105100160. Its totient is φ = 71374258118016.

The previous prime is 80053454108861. The next prime is 80053454108897. The reversal of 80053454108879 is 97880145435008.

It is an interprime number because it is at equal distance from previous prime (80053454108861) and next prime (80053454108897).

It is not a de Polignac number, because 80053454108879 - 228 = 80053185673423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80053454108809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84789284 + ... + 85728230.

It is an arithmetic number, because the mean of its divisors is an integer number (3730046045840).

Almost surely, 280053454108879 is an apocalyptic number.

80053454108879 is a deficient number, since it is larger than the sum of its proper divisors (9467650991281).

80053454108879 is a wasteful number, since it uses less digits than its factorization.

80053454108879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954527 (or 954510 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 80053454108879 in words is "eighty trillion, fifty-three billion, four hundred fifty-four million, one hundred eight thousand, eight hundred seventy-nine".

Divisors: 1 17 19 289 323 5491 15527 263959 295013 938947 4487303 5015221 15962099 17839993 85258757 271355683 303279881 5155757977 14579030069 247843511173 277001571311 4213339689941 4709026712287 80053454108879