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2385381612 = 2232326132
BaseRepresentation
bin1000111000101110…
…0000100011101100
320011020111221102010
42032023200203230
514341124202422
61032411001220
7113053260225
oct21613404354
96136457363
102385381612
111014538569
12566a39210
132c026ac13
14188b3624c
15de639b0c
hex8e2e08ec

2385381612 has 54 divisors (see below), whose sum is σ = 5827914372. Its totient is φ = 759315744.

The previous prime is 2385381587. The next prime is 2385381629. The reversal of 2385381612 is 2161835832.

It is a super-3 number, since 3×23853816123 (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3891018 + ... + 3891630.

Almost surely, 22385381612 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 2385381612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2913957186).

2385381612 is an abundant number, since it is smaller than the sum of its proper divisors (3442532760).

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

2385381612 is an equidigital number, since it uses as much as digits as its factorization.

2385381612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 641 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 2385381612 is about 48840.3686718272. The cubic root of 2385381612 is about 1336.1420204420.

The spelling of 2385381612 in words is "two billion, three hundred eighty-five million, three hundred eighty-one thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 529 613 1058 1226 1587 1839 2116 2452 3174 3678 6348 7356 14099 28198 42297 56396 84594 169188 324277 375769 648554 751538 972831 1127307 1297108 1503076 1945662 2254614 3891324 4509228 8642687 17285374 25928061 34570748 51856122 103712244 198781801 397563602 596345403 795127204 1192690806 2385381612