Search a number
-
+
12842213853 = 3723127110399
BaseRepresentation
bin10111111010111010…
…01010000111011101
31020010222220001120010
423331131022013131
5202300101320403
65522153113433
7633146005500
oct137535120735
936128801503
1012842213853
1154a0105387
1225a49b8879
1312987a7b11
1489b815137
15502685603
hex2fd74a1dd

12842213853 has 48 divisors (see below), whose sum is σ = 20638924800. Its totient is φ = 7074799200.

The previous prime is 12842213837. The next prime is 12842213861. The reversal of 12842213853 is 35831224821.

It is not a de Polignac number, because 12842213853 - 24 = 12842213837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12842213893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1229748 + ... + 1240146.

It is an arithmetic number, because the mean of its divisors is an integer number (429977600).

Almost surely, 212842213853 is an apocalyptic number.

It is an amenable number.

12842213853 is a deficient number, since it is larger than the sum of its proper divisors (7796710947).

12842213853 is a wasteful number, since it uses less digits than its factorization.

12842213853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10718 (or 10711 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The spelling of 12842213853 in words is "twelve billion, eight hundred forty-two million, two hundred thirteen thousand, eight hundred fifty-three".

Divisors: 1 3 7 21 31 49 93 147 217 271 651 813 1519 1897 4557 5691 8401 10399 13279 25203 31197 39837 58807 72793 176421 218379 322369 411649 509551 967107 1234947 1528653 2256583 2818129 6769749 8454387 15796081 19726903 47388243 59180709 87361999 138088321 262085997 414264963 611533993 1834601979 4280737951 12842213853