Search a number
-
+
63428624847469 = 72317910340912547
BaseRepresentation
bin11100110110000001000001…
…01001110001001001101101
322022120201100220221002011001
432123000200221301021231
531303203310430104334
6342522412532000301
716234365311325400
oct1633004051611155
9268521326832131
1063428624847469
1119234a24166812
127144a86160091
1329513a822299b
141193d67355d37
1574edcdc31714
hex39b020a7126d

63428624847469 has 96 divisors (see below), whose sum is σ = 78074017382400. Its totient is φ = 51313396942080.

The previous prime is 63428624847449. The next prime is 63428624847499. The reversal of 63428624847469 is 96474842682436.

It is not a de Polignac number, because 63428624847469 - 235 = 63394265109101 is a prime.

It is a super-2 number, since 2×634286248474692 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63428624847449) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5055275854 + ... + 5055288400.

It is an arithmetic number, because the mean of its divisors is an integer number (813271014400).

Almost surely, 263428624847469 is an apocalyptic number.

It is an amenable number.

63428624847469 is a deficient number, since it is larger than the sum of its proper divisors (14645392534931).

63428624847469 is a wasteful number, since it uses less digits than its factorization.

63428624847469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13183 (or 13176 counting only the distinct ones).

The product of its digits is 2675441664, while the sum is 73.

The spelling of 63428624847469 in words is "sixty-three trillion, four hundred twenty-eight billion, six hundred twenty-four million, eight hundred forty-seven thousand, four hundred sixty-nine".

Divisors: 1 7 31 49 79 103 217 409 553 721 1519 2449 2863 3193 3871 5047 8137 12547 12679 17143 20041 22351 32311 42127 56959 87829 88753 120001 156457 226177 252247 294889 388957 398713 614803 621271 991213 1001641 1292341 1305937 1583239 1765729 2064223 2722699 3328033 5131723 6938491 7011487 9046387 9141559 12360103 19058893 23296231 30727603 35922061 40062571 48569437 49080409 63324709 63990913 102094939 103169023 159083413 163073617 215093221 251454427 280437997 405406117 528567469 714664573 722183161 1113583891 1505652547 1963065979 2837842819 3164943109 3699972283 5002652011 5055282127 7795087237 12567589627 16385591539 19864899733 22154601763 25899805981 41756830051 87973127389 114699140773 155082212341 292297810357 615811891723 802893985411 1294461731581 2046084672499 9061232121067 63428624847469