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69445093212 = 223211976832647
BaseRepresentation
bin100000010101101000…
…0000000011101011100
320122020202012020212100
41000223100000131130
52114210420440322
651522545205100
75005625360415
oct1005320003534
9218222166770
1069445093212
11274a6a43420
1211561030790
1367194a9941
14350b04a80c
151c16a4ddac
hex102b40075c

69445093212 has 144 divisors (see below), whose sum is σ = 193830803712. Its totient is φ = 20788669440.

The previous prime is 69445093169. The next prime is 69445093213. The reversal of 69445093212 is 21239054496.

69445093212 is a `hidden beast` number, since 6 + 94 + 450 + 93 + 21 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69445093213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26234073 + ... + 26236719.

It is an arithmetic number, because the mean of its divisors is an integer number (1346047248).

Almost surely, 269445093212 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 69445093212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96915401856).

69445093212 is an abundant number, since it is smaller than the sum of its proper divisors (124385710500).

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

69445093212 is a wasteful number, since it uses less digits than its factorization.

69445093212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 69445093212 in words is "sixty-nine billion, four hundred forty-five million, ninety-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 97 99 132 194 198 291 388 396 582 683 873 1067 1164 1366 1746 2049 2134 2647 2732 3201 3492 4098 4268 5294 6147 6402 7513 7941 8196 9603 10588 12294 12804 15026 15882 19206 22539 23823 24588 29117 30052 31764 38412 45078 47646 58234 66251 67617 87351 90156 95292 116468 132502 135234 174702 198753 256759 262053 265004 270468 349404 397506 513518 524106 596259 728761 770277 795012 1027036 1048212 1192518 1457522 1540554 1807901 2186283 2310831 2385036 2824349 2915044 3081108 3615802 4372566 4621662 5423703 5648698 6558849 7231604 8473047 8745132 9243324 10847406 11297396 13117698 16271109 16946094 19886911 21694812 25419141 26235396 32542218 33892188 39773822 50838282 59660733 65084436 79547644 101676564 119321466 175366397 178982199 238642932 350732794 357964398 526099191 701465588 715928796 1052198382 1578297573 1929030367 2104396764 3156595146 3858060734 5787091101 6313190292 7716121468 11574182202 17361273303 23148364404 34722546606 69445093212