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1305042004334 = 23443918947153
BaseRepresentation
bin10010111111011010100…
…100001010100101101110
311121202112121202210220102
4102333122210022211232
5132340211223114314
62435310015151102
7163200105002435
oct22773244124556
94552477683812
101305042004334
11463513209722
12190b13b15492
13960ac871c63
144724306211c
1523e318c75de
hex12fda90a96e

1305042004334 has 8 divisors (see below), whose sum is σ = 1957619951280. Its totient is φ = 652502020576.

The previous prime is 1305042004319. The next prime is 1305042004337. The reversal of 1305042004334 is 4334002405031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13050420043342 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1305042004297 and 1305042004306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305042004337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9404699 + ... + 9542454.

It is an arithmetic number, because the mean of its divisors is an integer number (244702493910).

Almost surely, 21305042004334 is an apocalyptic number.

1305042004334 is a deficient number, since it is larger than the sum of its proper divisors (652577946946).

1305042004334 is a wasteful number, since it uses less digits than its factorization.

1305042004334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18981594.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 1305042004334 its reverse (4334002405031), we get a palindrome (5639044409365).

The spelling of 1305042004334 in words is "one trillion, three hundred five billion, forty-two million, four thousand, three hundred thirty-four".

Divisors: 1 2 34439 68878 18947153 37894306 652521002167 1305042004334