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275487523049 is a prime number
BaseRepresentation
bin1000000001001000101…
…01100000000011101001
3222100002012101011211102
410000210111200003221
514003144301214144
6330320205411145
725621560211064
oct4004425400351
9870065334742
10275487523049
11a6919585592
1245484269ab5
131cc945cc38b
14d4958238db
1572756dcb4e
hex40245600e9

275487523049 has 2 divisors, whose sum is σ = 275487523050. Its totient is φ = 275487523048.

The previous prime is 275487523037. The next prime is 275487523093. The reversal of 275487523049 is 940325784572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149556225625 + 125931297424 = 386725^2 + 354868^2 .

It is a cyclic number.

It is not a de Polignac number, because 275487523049 - 24 = 275487523033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 275487522985 and 275487523003.

It is not a weakly prime, because it can be changed into another prime (275487523249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137743761524 + 137743761525.

It is an arithmetic number, because the mean of its divisors is an integer number (137743761525).

Almost surely, 2275487523049 is an apocalyptic number.

It is an amenable number.

275487523049 is a deficient number, since it is larger than the sum of its proper divisors (1).

275487523049 is an equidigital number, since it uses as much as digits as its factorization.

275487523049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 275487523049 in words is "two hundred seventy-five billion, four hundred eighty-seven million, five hundred twenty-three thousand, forty-nine".