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80111768503 = 1344913724819
BaseRepresentation
bin100101010011100001…
…0001001001110110111
321122210010102111120011
41022213002021032313
52303032103043003
6100445225121051
75534146540204
oct1124702111667
9248703374504
1080111768503
1130a80006448
1213639329187
137729339120
143c3d950cab
15213d1ea46d
hex12a70893b7

80111768503 has 8 divisors (see below), whose sum is σ = 86466366000. Its totient is φ = 73784621568.

The previous prime is 80111768461. The next prime is 80111768509. The reversal of 80111768503 is 30586711108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80111768503 is a prime.

It is a super-2 number, since 2×801117685032 (a number of 23 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 (80111768509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6856573 + ... + 6868246.

It is an arithmetic number, because the mean of its divisors is an integer number (10808295750).

Almost surely, 280111768503 is an apocalyptic number.

80111768503 is a deficient number, since it is larger than the sum of its proper divisors (6354597497).

80111768503 is a wasteful number, since it uses less digits than its factorization.

80111768503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13725281.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 80111768503 in words is "eighty billion, one hundred eleven million, seven hundred sixty-eight thousand, five hundred three".

Divisors: 1 13 449 5837 13724819 178422647 6162443731 80111768503