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2585412544 = 2611131012797
BaseRepresentation
bin1001101000011010…
…0100001111000000
320200011220120021011
42122012210033000
520243331200134
61104314210304
7121032433621
oct23206441700
96604816234
102585412544
111107441790
12601a23994
13322836310
141a7525a48
15101e9d264
hex9a1a43c0

2585412544 has 112 divisors (see below), whose sum is σ = 6089209056. Its totient is φ = 1073664000.

The previous prime is 2585412469. The next prime is 2585412587. The reversal of 2585412544 is 4452145852.

It is a junction number, because it is equal to n+sod(n) for n = 2585412497 and 2585412506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922954 + ... + 925750.

It is an arithmetic number, because the mean of its divisors is an integer number (54367938).

Almost surely, 22585412544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2585412544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3044604528).

2585412544 is an abundant number, since it is smaller than the sum of its proper divisors (3503796512).

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

2585412544 is a wasteful number, since it uses less digits than its factorization.

2585412544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934 (or 2924 counting only the distinct ones).

The product of its digits is 256000, while the sum is 40.

The square root of 2585412544 is about 50846.9521603803. The cubic root of 2585412544 is about 1372.4924071276.

The spelling of 2585412544 in words is "two billion, five hundred eighty-five million, four hundred twelve thousand, five hundred forty-four".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 64 88 101 104 143 176 202 208 286 352 404 416 572 704 808 832 1111 1144 1313 1616 2222 2288 2626 2797 3232 4444 4576 5252 5594 6464 8888 9152 10504 11188 14443 17776 21008 22376 28886 30767 35552 36361 42016 44752 57772 61534 71104 72722 84032 89504 115544 123068 145444 179008 231088 246136 282497 290888 399971 462176 492272 564994 581776 799942 924352 984544 1129988 1163552 1599884 1969088 2259976 2327104 3107467 3199768 3672461 4519952 6214934 6399536 7344922 9039904 12429868 12799072 14689844 18079808 24859736 25598144 29379688 40397071 49719472 58759376 80794142 99438944 117518752 161588284 198877888 235037504 323176568 646353136 1292706272 2585412544