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80354845308 = 2236696237109
BaseRepresentation
bin100101011010110000…
…1011010001001111100
321200102001211002020210
41022311201122021330
52304031320022213
6100525311112420
75543160626013
oct1126541321174
9250361732223
1080354845308
1131095240671
12136a6812710
1377677c655a
143c63d47a7a
1521547130c3
hex12b585a27c

80354845308 has 12 divisors (see below), whose sum is σ = 187494639080. Its totient is φ = 26784948432.

The previous prime is 80354845297. The next prime is 80354845313.

80354845308 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×803548453082 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3348118543 + ... + 3348118566.

Almost surely, 280354845308 is an apocalyptic number.

It is an amenable number.

80354845308 is an abundant number, since it is smaller than the sum of its proper divisors (107139793772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80354845308 is a wasteful number, since it uses less digits than its factorization.

80354845308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696237116 (or 6696237114 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 80354845308 in words is "eighty billion, three hundred fifty-four million, eight hundred forty-five thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 6696237109 13392474218 20088711327 26784948436 40177422654 80354845308