Search a number
-
+
828100918554 = 237213277782191
BaseRepresentation
bin11000000110011101010…
…10010011110100011010
32221011110202222022100220
430003032222103310122
5102031422313343204
61432231352340510
7113554053445200
oct14031652236432
92834422868326
10828100918554
1129a21741a828
121145a93a4736
1360121a70030
142c11a4a5070
151681a3401d9
hexc0cea93d1a

828100918554 has 96 divisors (see below), whose sum is σ = 2082295224576. Its totient is φ = 217611515520.

The previous prime is 828100918501. The next prime is 828100918573. The reversal of 828100918554 is 455819001828.

It is a super-2 number, since 2×8281009185542 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 828100918497 and 828100918506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 667599 + ... + 1449789.

It is an arithmetic number, because the mean of its divisors is an integer number (21690575256).

Almost surely, 2828100918554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 828100918554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041147612288).

828100918554 is an abundant number, since it is smaller than the sum of its proper divisors (1254194306022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

828100918554 is a wasteful number, since it uses less digits than its factorization.

828100918554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782500 (or 782493 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 51.

The spelling of 828100918554 in words is "eight hundred twenty-eight billion, one hundred million, nine hundred eighteen thousand, five hundred fifty-four".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 49 78 91 98 147 182 273 277 294 546 554 637 831 1274 1662 1911 1939 3601 3822 3878 5817 7202 10803 11634 13573 21606 25207 27146 40719 50414 75621 81438 151242 176449 352898 529347 782191 1058694 1564382 2346573 4693146 5475337 10168483 10950674 16426011 20336966 30505449 32852022 38327359 61010898 71179381 76654718 114982077 142358762 213538143 216666907 229964154 427076286 433333814 498255667 650000721 996511334 1300001442 1494767001 1516668349 2816669791 2989534002 3033336698 4550005047 5633339582 8450009373 9100010094 10616678443 16900018746 19716688537 21233356886 31850035329 39433377074 59150065611 63700070658 118300131222 138016819759 276033639518 414050459277 828100918554