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3381186864 = 2431131251823
BaseRepresentation
bin1100100110001000…
…1101000100110000
322201122022002102010
43021202031010300
523411040434424
61315302322520
7146534420436
oct31142150460
98648262363
103381186864
111485656810
127a4429440
1341b6699b3
142410b0d56
1514bc8d229
hexc988d130

3381186864 has 160 divisors (see below), whose sum is σ = 9887367168. Its totient is φ = 986400000.

The previous prime is 3381186863. The next prime is 3381186869. The reversal of 3381186864 is 4686811833.

It is a super-2 number, since 2×33811868642 = 22864849218572308992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3381186863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4107957 + ... + 4108779.

Almost surely, 23381186864 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 3381186864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4943683584).

3381186864 is an abundant number, since it is smaller than the sum of its proper divisors (6506180304).

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

3381186864 is a wasteful number, since it uses less digits than its factorization.

3381186864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1121 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 3381186864 is about 58147.9738598001. The cubic root of 3381186864 is about 1500.9160129441.

The spelling of 3381186864 in words is "three billion, three hundred eighty-one million, one hundred eighty-six thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 31 33 44 48 62 66 88 93 124 132 176 186 248 251 264 341 372 496 502 528 682 744 753 823 1004 1023 1364 1488 1506 1646 2008 2046 2469 2728 2761 3012 3292 4016 4092 4938 5456 5522 6024 6584 7781 8184 8283 9053 9876 11044 12048 13168 15562 16368 16566 18106 19752 22088 23343 25513 27159 31124 33132 36212 39504 44176 46686 51026 54318 62248 66264 72424 76539 85591 93372 102052 108636 124496 132528 144848 153078 171182 186744 204104 206573 217272 256773 280643 306156 342364 373488 408208 413146 434544 513546 561286 612312 619719 684728 826292 841929 1027092 1122572 1224624 1239438 1369456 1652584 1683858 2054184 2245144 2272303 2478876 3305168 3367716 4108368 4490288 4544606 4957752 6403763 6735432 6816909 9089212 9915504 12807526 13470864 13633818 18178424 19211289 25615052 27267636 36356848 38422578 51230104 54535272 70441393 76845156 102460208 109070544 140882786 153690312 211324179 281765572 307380624 422648358 563531144 845296716 1127062288 1690593432 3381186864