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108807872293 is a prime number
BaseRepresentation
bin110010101010101110…
…1000101111100100101
3101101212000012121121001
41211111131011330211
53240314303403133
6121552522153301
710601234440321
oct1452535057445
9341760177531
10108807872293
11421662309aa
1219107652831
13a3505309b3
1453a2b42981
152c6c61487d
hex1955745f25

108807872293 has 2 divisors, whose sum is σ = 108807872294. Its totient is φ = 108807872292.

The previous prime is 108807872291. The next prime is 108807872333. The reversal of 108807872293 is 392278708801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65544704289 + 43263168004 = 256017^2 + 207998^2 .

It is a cyclic number.

It is not a de Polignac number, because 108807872293 - 21 = 108807872291 is a prime.

Together with 108807872291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108807872291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54403936146 + 54403936147.

It is an arithmetic number, because the mean of its divisors is an integer number (54403936147).

Almost surely, 2108807872293 is an apocalyptic number.

It is an amenable number.

108807872293 is a deficient number, since it is larger than the sum of its proper divisors (1).

108807872293 is an equidigital number, since it uses as much as digits as its factorization.

108807872293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 108807872293 in words is "one hundred eight billion, eight hundred seven million, eight hundred seventy-two thousand, two hundred ninety-three".