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2306512128 = 28317237681
BaseRepresentation
bin1000100101111010…
…1001010100000000
312221202002221211010
42021132221110000
514210431342003
61020512320520
7111105013104
oct21136512400
95852087733
102306512128
11a83a69778
12544543140
132a9b1529b
1417c485904
15d775b003
hex897a9500

2306512128 has 144 divisors (see below), whose sum is σ = 6783267456. Its totient is φ = 692060160.

The previous prime is 2306512099. The next prime is 2306512133. The reversal of 2306512128 is 8212156032.

It is a super-2 number, since 2×23065121282 = 10639996393222176768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2306512095 and 2306512104.

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, 296448 + ... + 304128.

It is an arithmetic number, because the mean of its divisors is an integer number (47106024).

Almost surely, 22306512128 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 2306512128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3391633728).

2306512128 is an abundant number, since it is smaller than the sum of its proper divisors (4476755328).

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

2306512128 is a wasteful number, since it uses less digits than its factorization.

2306512128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740 (or 7726 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2306512128 is about 48026.1608709253. The cubic root of 2306512128 is about 1321.2507520462.

The spelling of 2306512128 in words is "two billion, three hundred six million, five hundred twelve thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 23 24 32 34 46 48 51 64 68 69 92 96 102 128 136 138 184 192 204 256 272 276 368 384 391 408 544 552 736 768 782 816 1088 1104 1173 1472 1564 1632 2176 2208 2346 2944 3128 3264 4352 4416 4692 5888 6256 6528 7681 8832 9384 12512 13056 15362 17664 18768 23043 25024 30724 37536 46086 50048 61448 75072 92172 100096 122896 130577 150144 176663 184344 245792 261154 300288 353326 368688 391731 491584 522308 529989 706652 737376 783462 983168 1044616 1059978 1413304 1474752 1566924 1966336 2089232 2119956 2826608 2949504 3003271 3133848 4178464 4239912 5653216 5899008 6006542 6267696 8356928 8479824 9009813 11306432 12013084 12535392 16713856 16959648 18019626 22612864 24026168 25070784 33427712 33919296 36039252 45225728 48052336 50141568 67838592 72078504 96104672 100283136 135677184 144157008 192209344 288314016 384418688 576628032 768837376 1153256064 2306512128