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275280550031 is a prime number
BaseRepresentation
bin1000000000101111111…
…11111101100010001111
3222022112202220212020002
410000113333331202033
514002233310100111
6330243453314515
725613465032154
oct4002777754217
9868482825202
10275280550031
11a682276a703
1245426a95a3b
131cc60773236
14d47614822b
15726245763b
hex4017ffd88f

275280550031 has 2 divisors, whose sum is σ = 275280550032. Its totient is φ = 275280550030.

The previous prime is 275280549979. The next prime is 275280550043. The reversal of 275280550031 is 130055082572.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-275280550031 is a prime.

It is a super-2 number, since 2×2752805500312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275280550081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137640275015 + 137640275016.

It is an arithmetic number, because the mean of its divisors is an integer number (137640275016).

Almost surely, 2275280550031 is an apocalyptic number.

275280550031 is a deficient number, since it is larger than the sum of its proper divisors (1).

275280550031 is an equidigital number, since it uses as much as digits as its factorization.

275280550031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 275280550031 in words is "two hundred seventy-five billion, two hundred eighty million, five hundred fifty thousand, thirty-one".