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13423500977 is a prime number
BaseRepresentation
bin11001000000001101…
…00101111010110001
31021122111200111120212
430200012211322301
5204442404012402
610100000113505
7653434606235
oct144006457261
937574614525
1013423500977
115769241a67
122727605895
13135c0510b3
14914aca5c5
15538708952
hex3201a5eb1

13423500977 has 2 divisors, whose sum is σ = 13423500978. Its totient is φ = 13423500976.

The previous prime is 13423500949. The next prime is 13423501033. The reversal of 13423500977 is 77900532431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11546791936 + 1876709041 = 107456^2 + 43321^2 .

It is a cyclic number.

It is not a de Polignac number, because 13423500977 - 26 = 13423500913 is a prime.

It is a super-3 number, since 3×134235009773 (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13423500677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711750488 + 6711750489.

It is an arithmetic number, because the mean of its divisors is an integer number (6711750489).

Almost surely, 213423500977 is an apocalyptic number.

It is an amenable number.

13423500977 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423500977 is an equidigital number, since it uses as much as digits as its factorization.

13423500977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 13423500977 in words is "thirteen billion, four hundred twenty-three million, five hundred thousand, nine hundred seventy-seven".