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38388085821264 = 243799751787943
BaseRepresentation
bin10001011101001111011000…
…01110000000111101010000
312000220212100201000112122010
420232213230032000331100
520012422244432240024
6213351124305142520
711041306360432464
oct1056475416007520
9160825321015563
1038388085821264
1111260328741883
12437ba5032aa40
131855c9a227b2a
14969dc97504a4
154688676bab29
hex22e9ec380f50

38388085821264 has 20 divisors (see below), whose sum is σ = 99169221705056. Its totient is φ = 12796028607072.

The previous prime is 38388085821247. The next prime is 38388085821277. The reversal of 38388085821264 is 46212858088383.

It is a junction number, because it is equal to n+sod(n) for n = 38388085821195 and 38388085821204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399875893924 + ... + 399875894019.

Almost surely, 238388085821264 is an apocalyptic number.

It is an amenable number.

38388085821264 is an abundant number, since it is smaller than the sum of its proper divisors (60781135883792).

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

38388085821264 is a wasteful number, since it uses less digits than its factorization.

38388085821264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799751787954 (or 799751787948 counting only the distinct ones).

The product of its (nonzero) digits is 141557760, while the sum is 66.

The spelling of 38388085821264 in words is "thirty-eight trillion, three hundred eighty-eight billion, eighty-five million, eight hundred twenty-one thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 799751787943 1599503575886 2399255363829 3199007151772 4798510727658 6398014303544 9597021455316 12796028607088 19194042910632 38388085821264