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69949968384 = 212348711689
BaseRepresentation
bin100000100100101010…
…1111101000000000000
320200112221012120101210
41001021111331000000
52121224142442014
652045022330120
75024265630612
oct1011125750000
9220487176353
1069949968384
1127735a2a62a
1211682129940
136799c7aa4a
143558110db2
151c4602b859
hex104957d000

69949968384 has 104 divisors (see below), whose sum is σ = 186909446080. Its totient is φ = 23266787328.

The previous prime is 69949968371. The next prime is 69949968401. The reversal of 69949968384 is 48386994996.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5978412 + ... + 5990100.

Almost surely, 269949968384 is an apocalyptic number.

69949968384 is a gapful number since it is divisible by the number (64) 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 69949968384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93454723040).

69949968384 is an abundant number, since it is smaller than the sum of its proper divisors (116959477696).

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

69949968384 is a wasteful number, since it uses less digits than its factorization.

69949968384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12203 (or 12181 counting only the distinct ones).

The product of its digits is 725594112, while the sum is 75.

The spelling of 69949968384 in words is "sixty-nine billion, nine hundred forty-nine million, nine hundred sixty-eight thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 487 512 768 974 1024 1461 1536 1948 2048 2922 3072 3896 4096 5844 6144 7792 11688 11689 12288 15584 23376 23378 31168 35067 46752 46756 62336 70134 93504 93512 124672 140268 187008 187024 249344 280536 374016 374048 498688 561072 748032 748096 997376 1122144 1496064 1496192 1994752 2244288 2992128 2992384 4488576 5692543 5984256 5984768 8977152 11385086 11969536 17077629 17954304 22770172 23939072 34155258 35908608 45540344 47878144 68310516 71817216 91080688 136621032 143634432 182161376 273242064 364322752 546484128 728645504 1092968256 1457291008 2185936512 2914582016 4371873024 5829164032 8743746048 11658328064 17487492096 23316656128 34974984192 69949968384