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1311300223634 = 23143491860549
BaseRepresentation
bin10011000101001111100…
…101011000001010010010
311122100200202201021212102
4103011033211120022102
5132441020324124014
62442223014400402
7163511145664652
oct23051745301222
94570622637772
101311300223634
11466134877495
1219217b960102
139686929a5bb
144767828a362
152419b0198de
hex1314f958292

1311300223634 has 16 divisors (see below), whose sum is σ = 2077618963200. Its totient is φ = 619744290480.

The previous prime is 1311300223613. The next prime is 1311300223657. The reversal of 1311300223634 is 4363220031131.

It is a junction number, because it is equal to n+sod(n) for n = 1311300223597 and 1311300223606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245927609 + ... + 245932940.

It is an arithmetic number, because the mean of its divisors is an integer number (129851185200).

Almost surely, 21311300223634 is an apocalyptic number.

1311300223634 is a deficient number, since it is larger than the sum of its proper divisors (766318739566).

1311300223634 is a wasteful number, since it uses less digits than its factorization.

1311300223634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491860625.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 1311300223634 its reverse (4363220031131), we get a palindrome (5674520254765).

The spelling of 1311300223634 in words is "one trillion, three hundred eleven billion, three hundred million, two hundred twenty-three thousand, six hundred thirty-four".

Divisors: 1 2 31 43 62 86 1333 2666 491860549 983721098 15247677019 21150003607 30495354038 42300007214 655650111817 1311300223634