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2505088768 = 28713191563
BaseRepresentation
bin1001010101010000…
…1001111100000000
320110120202200202111
42111110021330000
520112300320033
61052324425104
7116035621540
oct22524117400
96416680674
102505088768
11107606a2a6
1259ab48194
1330bcc1760
1419a9b7320
15e9dd37cd
hex95509f00

2505088768 has 144 divisors (see below), whose sum is σ = 6197538816. Its totient is φ = 984084480.

The previous prime is 2505088727. The next prime is 2505088793. The reversal of 2505088768 is 8678805052.

It is a happy number.

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, 4449255 + ... + 4449817.

It is an arithmetic number, because the mean of its divisors is an integer number (43038464).

Almost surely, 22505088768 is an apocalyptic number.

2505088768 is a gapful number since it is divisible by the number (28) 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 2505088768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3098769408).

2505088768 is an abundant number, since it is smaller than the sum of its proper divisors (3692450048).

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

2505088768 is a wasteful number, since it uses less digits than its factorization.

2505088768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 49.

The square root of 2505088768 is about 50050.8618107621. The cubic root of 2505088768 is about 1358.1290536247.

The spelling of 2505088768 in words is "two billion, five hundred five million, eighty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 182 191 208 224 256 364 382 416 448 563 728 764 832 896 1126 1337 1456 1528 1664 1792 2252 2483 2674 2912 3056 3328 3941 4504 4966 5348 5824 6112 7319 7882 9008 9932 10696 11648 12224 14638 15764 17381 18016 19864 21392 23296 24448 29276 31528 34762 36032 39728 42784 48896 51233 58552 63056 69524 72064 79456 85568 102466 107533 117104 126112 139048 144128 158912 171136 204932 215066 234208 252224 278096 317824 342272 409864 430132 468416 504448 556192 635648 752731 819728 860264 936832 1008896 1112384 1397929 1505462 1639456 1720528 1873664 2224768 2795858 3010924 3278912 3441056 4449536 5591716 6021848 6557824 6882112 9785503 11183432 12043696 13115648 13764224 19571006 22366864 24087392 27528448 39142012 44733728 48174784 78284024 89467456 96349568 156568048 178934912 192699136 313136096 357869824 626272192 1252544384 2505088768