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1223030512115 = 52931272086877
BaseRepresentation
bin10001110011000010010…
…011001001100111110011
311022220212002200100022122
4101303002103021213303
5130014231302341430
62333504044224455
7154234556553146
oct21630223114763
94286762610278
101223030512115
11431758926785
1217904653b12b
138b43ca9ac79
14432a30ba05d
1521c31a25ee5
hex11cc24c99f3

1223030512115 has 16 divisors (see below), whose sum is σ = 1567220417280. Its totient is φ = 914211903360.

The previous prime is 1223030512103. The next prime is 1223030512133. The reversal of 1223030512115 is 5112150303221.

It is not a de Polignac number, because 1223030512115 - 26 = 1223030512051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136038944 + ... + 136047933.

It is an arithmetic number, because the mean of its divisors is an integer number (97951276080).

Almost surely, 21223030512115 is an apocalyptic number.

1223030512115 is a deficient number, since it is larger than the sum of its proper divisors (344189905165).

1223030512115 is a wasteful number, since it uses less digits than its factorization.

1223030512115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272086942.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 1223030512115 its reverse (5112150303221), we get a palindrome (6335180815336).

The spelling of 1223030512115 in words is "one trillion, two hundred twenty-three billion, thirty million, five hundred twelve thousand, one hundred fifteen".

Divisors: 1 5 29 31 145 155 899 4495 272086877 1360434385 7890519433 8434693187 39452597165 42173465935 244606102423 1223030512115