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50510615500997 is a prime number
BaseRepresentation
bin10110111110000011010110…
…10010110101100011000101
320121211202201122022022010222
423133001223102311203011
523110031220032012442
6255232131215354125
713432162065522131
oct1337015322654305
9217752648268128
1050510615500997
1115104482706603
1257b9366b22945
132225190c23492
14c68a266103c1
155c8d6c6d18d2
hex2df06b4b58c5

50510615500997 has 2 divisors, whose sum is σ = 50510615500998. Its totient is φ = 50510615500996.

The previous prime is 50510615500979. The next prime is 50510615501033. The reversal of 50510615500997 is 79900551601505.

Together with previous prime (50510615500979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50378211213121 + 132404287876 = 7097761^2 + 363874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50510615500997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50510615500907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255307750498 + 25255307750499.

It is an arithmetic number, because the mean of its divisors is an integer number (25255307750499).

Almost surely, 250510615500997 is an apocalyptic number.

It is an amenable number.

50510615500997 is a deficient number, since it is larger than the sum of its proper divisors (1).

50510615500997 is an equidigital number, since it uses as much as digits as its factorization.

50510615500997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2126250, while the sum is 53.

The spelling of 50510615500997 in words is "fifty trillion, five hundred ten billion, six hundred fifteen million, five hundred thousand, nine hundred ninety-seven".