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2258514901888 = 27727155716699
BaseRepresentation
bin100000110111011001111…
…110100111101110000000
321222220121210020112120221
4200313121332213232000
5244000414303330023
64445314124312424
7322113050625460
oct40673176475600
97886553215527
102258514901888
117a0915867933
123058700a2714
13134c9173823b
147b4540bdba0
153db3860085d
hex20dd9fa7b80

2258514901888 has 128 divisors (see below), whose sum is σ = 5170704768000. Its totient is φ = 962574243840.

The previous prime is 2258514901879. The next prime is 2258514901939. The reversal of 2258514901888 is 8881094158522.

It is a tau number, because it is divible by the number of its divisors (128).

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, 135240163 + ... + 135256861.

It is an arithmetic number, because the mean of its divisors is an integer number (40396131000).

Almost surely, 22258514901888 is an apocalyptic number.

2258514901888 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 2258514901888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585352384000).

2258514901888 is an abundant number, since it is smaller than the sum of its proper divisors (2912189866112).

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

2258514901888 is a wasteful number, since it uses less digits than its factorization.

2258514901888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17548 (or 17536 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 61.

The spelling of 2258514901888 in words is "two trillion, two hundred fifty-eight billion, five hundred fourteen million, nine hundred one thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 271 448 542 557 896 1084 1114 1897 2168 2228 3794 3899 4336 4456 7588 7798 8672 8912 15176 15596 16699 17344 17824 30352 31192 33398 34688 35648 60704 62384 66796 71296 116893 121408 124768 133592 150947 233786 242816 249536 267184 301894 467572 499072 534368 603788 935144 1056629 1068736 1207576 1870288 2113258 2137472 2415152 3740576 4226516 4525429 4830304 7481152 8453032 9050858 9301343 9660608 14962304 16906064 18101716 18602686 19321216 31678003 33812128 36203432 37205372 63356006 65109401 67624256 72406864 74410744 126712012 130218802 135248512 144813728 148821488 253424024 260437604 289627456 297642976 506848048 520875208 579254912 595285952 1013696096 1041750416 1190571904 2027392192 2083500832 2520663953 4054784384 4167001664 5041327906 8334003328 10082655812 17644647671 20165311624 35289295342 40330623248 70578590684 80661246496 141157181368 161322492992 282314362736 322644985984 564628725472 1129257450944 2258514901888