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15268390134997 is a prime number
BaseRepresentation
bin1101111000101111001011…
…1110000110010011010101
32000001122101100201212222211
43132023302332012103111
54000124130333304442
652250111313353421
73134050640535226
oct336136276062325
960048340655884
1015268390134997
1149573192043aa
121867148b68871
13869a592a824c
143aadcb86b24d
151b7274bec617
hexde2f2f864d5

15268390134997 has 2 divisors, whose sum is σ = 15268390134998. Its totient is φ = 15268390134996.

The previous prime is 15268390134967. The next prime is 15268390135057. The reversal of 15268390134997 is 79943109386251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14302570951876 + 965819183121 = 3781874^2 + 982761^2 .

It is an emirp because it is prime and its reverse (79943109386251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15268390134997 - 27 = 15268390134869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15268390134967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7634195067498 + 7634195067499.

It is an arithmetic number, because the mean of its divisors is an integer number (7634195067499).

It is a 1-persistent number, because it is pandigital, but 2⋅15268390134997 = 30536780269994 is not.

Almost surely, 215268390134997 is an apocalyptic number.

It is an amenable number.

15268390134997 is a deficient number, since it is larger than the sum of its proper divisors (1).

15268390134997 is an equidigital number, since it uses as much as digits as its factorization.

15268390134997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88179840, while the sum is 67.

The spelling of 15268390134997 in words is "fifteen trillion, two hundred sixty-eight billion, three hundred ninety million, one hundred thirty-four thousand, nine hundred ninety-seven".