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274957600081 is a prime number
BaseRepresentation
bin1000000000001001100…
…00000000010101010001
3222021201021020022011211
410000010300000111101
514001103121200311
6330151435340121
725602464016133
oct4000460002521
9867637208154
10274957600081
11a667744061a
12453568b1641
131cc0b89b3a8
14d4452bd053
157243e13821
hex4004c00551

274957600081 has 2 divisors, whose sum is σ = 274957600082. Its totient is φ = 274957600080.

The previous prime is 274957600069. The next prime is 274957600123. The reversal of 274957600081 is 180006759472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178117761600 + 96839838481 = 422040^2 + 311191^2 .

It is a cyclic number.

It is not a de Polignac number, because 274957600081 - 29 = 274957599569 is a prime.

It is a super-2 number, since 2×2749576000812 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 274957599998 and 274957600034.

It is not a weakly prime, because it can be changed into another prime (274957600681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137478800040 + 137478800041.

It is an arithmetic number, because the mean of its divisors is an integer number (137478800041).

Almost surely, 2274957600081 is an apocalyptic number.

It is an amenable number.

274957600081 is a deficient number, since it is larger than the sum of its proper divisors (1).

274957600081 is an equidigital number, since it uses as much as digits as its factorization.

274957600081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 274957600081 in words is "two hundred seventy-four billion, nine hundred fifty-seven million, six hundred thousand, eighty-one".