Search a number
-
+
811150487456 = 25296007145511
BaseRepresentation
bin10111100110111000101…
…01100010111110100000
32212112201110202012012112
423303130111202332200
5101242214011044311
61420345402014452
7112414031244551
oct13633425427640
92775643665175
10811150487456
11293009337a91
121112587a7428
135b650113a4a
142b38d20a328
15161771aa28b
hexbcdc562fa0

811150487456 has 48 divisors (see below), whose sum is σ = 1652306221440. Its totient is φ = 391522010880.

The previous prime is 811150487417. The next prime is 811150487479. The reversal of 811150487456 is 654784051118.

It is a super-2 number, since 2×8111504874562 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5501741 + ... + 5647251.

It is an arithmetic number, because the mean of its divisors is an integer number (34423046280).

Almost surely, 2811150487456 is an apocalyptic number.

It is an amenable number.

811150487456 is an abundant number, since it is smaller than the sum of its proper divisors (841155733984).

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

811150487456 is a wasteful number, since it uses less digits than its factorization.

811150487456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151557 (or 151549 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 811150487456 in words is "eight hundred eleven billion, one hundred fifty million, four hundred eighty-seven thousand, four hundred fifty-six".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 6007 12014 24028 48056 96112 145511 174203 192224 291022 348406 582044 696812 1164088 1393624 2328176 2787248 4219819 4656352 5574496 8439638 16879276 33758552 67517104 135034208 874084577 1748169154 3496338308 6992676616 13985353232 25348452733 27970706464 50696905466 101393810932 202787621864 405575243728 811150487456