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80550530538031 is a prime number
BaseRepresentation
bin10010010100001010100001…
…110000100101101000101111
3101120012112222222012000212001
4102110022201300211220233
541024214441304204111
6443152223004353131
722652404144355611
oct2224124160455057
9346175888160761
1080550530538031
11237363195a4774
12904b2958457a7
1335c3b61937928
1415c6948b6cdb1
1594a4867ad1c1
hex4942a1c25a2f

80550530538031 has 2 divisors, whose sum is σ = 80550530538032. Its totient is φ = 80550530538030.

The previous prime is 80550530538011. The next prime is 80550530538089. The reversal of 80550530538031 is 13083503505508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80550530538031 - 213 = 80550530529839 is a prime.

It is a super-5 number, since 5×805505305380315 (a number of 71 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80550530538011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40275265269015 + 40275265269016.

It is an arithmetic number, because the mean of its divisors is an integer number (40275265269016).

Almost surely, 280550530538031 is an apocalyptic number.

80550530538031 is a deficient number, since it is larger than the sum of its proper divisors (1).

80550530538031 is an equidigital number, since it uses as much as digits as its factorization.

80550530538031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 80550530538031 in words is "eighty trillion, five hundred fifty billion, five hundred thirty million, five hundred thirty-eight thousand, thirty-one".