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230705775630 = 232511953244529
BaseRepresentation
bin1101011011011100100…
…0101100010000001110
3211001111021121201000200
43112313020230100032
512234441134310010
6253552413234330
722445050510521
oct3266710542016
9731437551020
10230705775630
1189929439980
1238866a929a6
13189a8996495
14b248168bb8
156004011cc0
hex35b722c40e

230705775630 has 96 divisors (see below), whose sum is σ = 655054788960. Its totient is φ = 55869757440.

The previous prime is 230705775607. The next prime is 230705775667. The reversal of 230705775630 is 36577507032.

230705775630 is a `hidden beast` number, since 2 + 3 + 0 + 7 + 0 + 5 + 7 + 7 + 5 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 821206 + ... + 1065734.

It is an arithmetic number, because the mean of its divisors is an integer number (6823487385).

Almost surely, 2230705775630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230705775630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327527394480).

230705775630 is an abundant number, since it is smaller than the sum of its proper divisors (424349013330).

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

230705775630 is a wasteful number, since it uses less digits than its factorization.

230705775630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245506 (or 245503 counting only the distinct ones).

The product of its (nonzero) digits is 926100, while the sum is 45.

The spelling of 230705775630 in words is "two hundred thirty billion, seven hundred five million, seven hundred seventy-five thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 953 990 1906 2859 4765 5718 8577 9530 10483 14295 17154 20966 28590 31449 42885 52415 62898 85770 94347 104830 157245 188694 244529 314490 471735 489058 733587 943470 1222645 1467174 2200761 2445290 2689819 3667935 4401522 5379638 7335870 8069457 11003805 13449095 16138914 22007610 24208371 26898190 40347285 48416742 80694570 121041855 233036137 242083710 466072274 699108411 1165180685 1398216822 2097325233 2330361370 2563397507 3495542055 4194650466 5126795014 6991084110 7690192521 10486626165 12816987535 15380385042 20973252330 23070577563 25633975070 38450962605 46141155126 76901925210 115352887815 230705775630