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245311453131341 = 553789442969169
BaseRepresentation
bin110111110001110000000110…
…000001011111001001001101
31012011120112201221200120121212
4313301300012001133021031
5224123140324000200331
62225422305323504205
7102446111331152462
oct6761600601371115
91164515657616555
10245311453131341
1171189004044283
122361b005388065
13a6b5a034c8b9c
1444811cdb2d669
151d561a93d6d2b
hexdf1c0605f24d

245311453131341 has 4 divisors (see below), whose sum is σ = 245311896654300. Its totient is φ = 245311009608384.

The previous prime is 245311453131337. The next prime is 245311453131347. The reversal of 245311453131341 is 143131354113542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83359639022500 + 161951814108841 = 9130150^2 + 12726029^2 .

It is a cyclic number.

It is not a de Polignac number, because 245311453131341 - 22 = 245311453131337 is a prime.

It is a super-2 number, since 2×2453114531313412 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245311453131347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220930796 + ... + 222038373.

It is an arithmetic number, because the mean of its divisors is an integer number (61327974163575).

Almost surely, 2245311453131341 is an apocalyptic number.

It is an amenable number.

245311453131341 is a deficient number, since it is larger than the sum of its proper divisors (443522959).

245311453131341 is an equidigital number, since it uses as much as digits as its factorization.

245311453131341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443522958.

The product of its digits is 259200, while the sum is 41.

The spelling of 245311453131341 in words is "two hundred forty-five trillion, three hundred eleven billion, four hundred fifty-three million, one hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 553789 442969169 245311453131341