Search a number
-
+
28860747455463 = 37113783153126573
BaseRepresentation
bin1101000111111101010101…
…00110011001101111100111
310210012001122010001010101120
412203332222212121233213
512240323302322033323
6141214235551225023
76036056140501260
oct643765246315747
9123161563033346
1028860747455463
1192178575a4410
1232a14a5b18173
1313147313c7c81
1471ac20ac3967
15350b032895e3
hex1a3faa999be7

28860747455463 has 128 divisors (see below), whose sum is σ = 49901063675904. Its totient is φ = 14401683878400.

The previous prime is 28860747455377. The next prime is 28860747455473. The reversal of 28860747455463 is 36455474706882.

It is a happy number.

It is not a de Polignac number, because 28860747455463 - 213 = 28860747447271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28860747455473) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1086079645 + ... + 1086106217.

It is an arithmetic number, because the mean of its divisors is an integer number (389852059968).

Almost surely, 228860747455463 is an apocalyptic number.

28860747455463 is a deficient number, since it is larger than the sum of its proper divisors (21040316220441).

28860747455463 is a wasteful number, since it uses less digits than its factorization.

28860747455463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28245.

The product of its (nonzero) digits is 1083801600, while the sum is 69.

The spelling of 28860747455463 in words is "twenty-eight trillion, eight hundred sixty billion, seven hundred forty-seven million, four hundred fifty-five thousand, four hundred sixty-three".

Divisors: 1 3 7 11 21 33 37 77 83 111 231 249 259 407 581 777 913 1221 1531 1743 2739 2849 3071 4593 6391 8547 9213 10717 16841 19173 21497 26573 32151 33781 50523 56647 64491 79719 101343 117887 127073 169941 186011 236467 292303 353661 381219 396529 558033 623117 709401 876909 889511 983201 1189587 1397803 1869351 2046121 2205559 2668533 2949603 4193409 4361819 4701701 6138363 6616677 6882407 9784621 10815211 13085457 14105103 15438913 20647221 24261149 29353863 32445633 32911907 40683263 46316739 51718711 72783447 75706477 81605683 98735721 122049789 155156133 169828043 227119431 244817049 284782841 362030977 447515893 509484129 571239781 854348523 897662513 1086092931 1342547679 1505280731 1713719343 2692987539 3132611251 3376710829 4515842193 6283637591 9397833753 10130132487 10536965117 16558088041 18850912773 23636975803 31610895351 37143819119 49674264123 70910927409 111431457357 115906616287 124938300673 260006733833 347719848861 374814902019 780020201499 874568104711 1374321307403 2623704314133 4122963922209 9620249151821 28860747455463