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28483178153917 is a prime number
BaseRepresentation
bin1100111100111110000011…
…01101110100011110111101
310201211222001122210022002011
412132133001231310132331
512213132022101411132
6140324554050531221
75666561464415464
oct636370155643675
9121758048708064
1028483178153917
119091714570833
123240292896b11
1312b7c4bc0b086
147068439779db
15345da5be8b47
hex19e7c1b747bd

28483178153917 has 2 divisors, whose sum is σ = 28483178153918. Its totient is φ = 28483178153916.

The previous prime is 28483178153851. The next prime is 28483178153923. The reversal of 28483178153917 is 71935187138482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14982984257796 + 13500193896121 = 3870786^2 + 3674261^2 .

It is a cyclic number.

It is not a de Polignac number, because 28483178153917 - 231 = 28481030670269 is a prime.

It is a super-2 number, since 2×284831781539172 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28483178153117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14241589076958 + 14241589076959.

It is an arithmetic number, because the mean of its divisors is an integer number (14241589076959).

Almost surely, 228483178153917 is an apocalyptic number.

It is an amenable number.

28483178153917 is a deficient number, since it is larger than the sum of its proper divisors (1).

28483178153917 is an equidigital number, since it uses as much as digits as its factorization.

28483178153917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81285120, while the sum is 67.

The spelling of 28483178153917 in words is "twenty-eight trillion, four hundred eighty-three billion, one hundred seventy-eight million, one hundred fifty-three thousand, nine hundred seventeen".