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80203026929 is a prime number
BaseRepresentation
bin100101010110001111…
…0010001000111110001
321200000111010220120212
41022230132101013301
52303223433330204
6100502245113505
75536335323564
oct1125436210761
9250014126525
1080203026929
1131017577233
12136639b8895
13774220baac
143c4bb084db
152146224c6e
hex12ac7911f1

80203026929 has 2 divisors, whose sum is σ = 80203026930. Its totient is φ = 80203026928.

The previous prime is 80203026847. The next prime is 80203026941. The reversal of 80203026929 is 92962030208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64949541904 + 15253485025 = 254852^2 + 123505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80203026929 is a prime.

It is not a weakly prime, because it can be changed into another prime (80203020929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40101513464 + 40101513465.

It is an arithmetic number, because the mean of its divisors is an integer number (40101513465).

Almost surely, 280203026929 is an apocalyptic number.

It is an amenable number.

80203026929 is a deficient number, since it is larger than the sum of its proper divisors (1).

80203026929 is an equidigital number, since it uses as much as digits as its factorization.

80203026929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 80203026929 in words is "eighty billion, two hundred three million, twenty-six thousand, nine hundred twenty-nine".