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1830855233297 is a prime number
BaseRepresentation
bin11010101001000111011…
…110011100111100010001
320111000202110010102101002
4122221013132130330101
5214444042414431142
63521025553351345
7246163204465316
oct32510736347421
96430673112332
101830855233297
1164650905a0a2
122569b9868555
1310385885b5bc
146488463cd0d
15329587b9a32
hex1aa4779cf11

1830855233297 has 2 divisors, whose sum is σ = 1830855233298. Its totient is φ = 1830855233296.

The previous prime is 1830855233293. The next prime is 1830855233299. The reversal of 1830855233297 is 7923325580381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1637276352721 + 193578880576 = 1279561^2 + 439976^2 .

It is an emirp because it is prime and its reverse (7923325580381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1830855233297 - 22 = 1830855233293 is a prime.

It is a super-4 number, since 4×18308552332974 (a number of 50 digits) contains 4444 as substring.

Together with 1830855233299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1830855233293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915427616648 + 915427616649.

It is an arithmetic number, because the mean of its divisors is an integer number (915427616649).

Almost surely, 21830855233297 is an apocalyptic number.

It is an amenable number.

1830855233297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830855233297 is an equidigital number, since it uses as much as digits as its factorization.

1830855233297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 1830855233297 in words is "one trillion, eight hundred thirty billion, eight hundred fifty-five million, two hundred thirty-three thousand, two hundred ninety-seven".