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2558828064 = 253136473169
BaseRepresentation
bin1001100010000100…
…1001111000100000
320121022212221012210
42120201021320200
520220024444224
61101524322120
7120260452062
oct23041117040
96538787183
102558828064
1110a3434441
125b4b43340
1331a188b60
141a3ba5732
15ee99b429
hex98849e20

2558828064 has 96 divisors (see below), whose sum is σ = 7247076480. Its totient is φ = 785866752.

The previous prime is 2558828057. The next prime is 2558828119. The reversal of 2558828064 is 4608288552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×25588280642 = 13095202122227976192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805872 + ... + 809040.

It is an arithmetic number, because the mean of its divisors is an integer number (75490380).

Almost surely, 22558828064 is an apocalyptic number.

2558828064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2558828064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3623538240).

2558828064 is an abundant number, since it is smaller than the sum of its proper divisors (4688248416).

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

2558828064 is a wasteful number, since it uses less digits than its factorization.

2558828064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842 (or 3834 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 48.

The square root of 2558828064 is about 50584.8600274825. The cubic root of 2558828064 is about 1367.7719773155.

The spelling of 2558828064 in words is "two billion, five hundred fifty-eight million, eight hundred twenty-eight thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 647 1248 1294 1941 2588 3169 3882 5176 6338 7764 8411 9507 10352 12676 15528 16822 19014 20704 25233 25352 31056 33644 38028 41197 50466 50704 62112 67288 76056 82394 100932 101408 123591 134576 152112 164788 201864 247182 269152 304224 329576 403728 494364 659152 807456 988728 1318304 1977456 2050343 3954912 4100686 6151029 8201372 12302058 16402744 24604116 26654459 32805488 49208232 53308918 65610976 79963377 98416464 106617836 159926754 196832928 213235672 319853508 426471344 639707016 852942688 1279414032 2558828064