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80982880477427 = 194262256867233
BaseRepresentation
bin10010011010011101001011…
…110100101110000011110011
3101121201212222011212121001102
4102122131023310232003303
541103310414400234202
6444123004404155015
723025551162253005
oct2232351364560363
9347655864777042
1080982880477427
11238927128a0375
1290bb036998a6b
133625864449b36
1415dd8414c8375
1595683d268d02
hex49a74bd2e0f3

80982880477427 has 4 divisors (see below), whose sum is σ = 85245137344680. Its totient is φ = 76720623610176.

The previous prime is 80982880477409. The next prime is 80982880477439. The reversal of 80982880477427 is 72477408828908.

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

It is a cyclic number.

It is not a de Polignac number, because 80982880477427 - 26 = 80982880477363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80982880473427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2131128433598 + ... + 2131128433635.

It is an arithmetic number, because the mean of its divisors is an integer number (21311284336170).

Almost surely, 280982880477427 is an apocalyptic number.

80982880477427 is a deficient number, since it is larger than the sum of its proper divisors (4262256867253).

80982880477427 is a wasteful number, since it uses less digits than its factorization.

80982880477427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262256867252.

The product of its (nonzero) digits is 809238528, while the sum is 74.

The spelling of 80982880477427 in words is "eighty trillion, nine hundred eighty-two billion, eight hundred eighty million, four hundred seventy-seven thousand, four hundred twenty-seven".

Divisors: 1 19 4262256867233 80982880477427