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3128150928 = 243743317683
BaseRepresentation
bin1011101001110011…
…1100101110010000
322002000011112100210
42322130330232100
522401301312203
61234223044120
7140342562360
oct27234745620
98060145323
103128150928
11136583a101
12733740640
133ab1034a6
142196449a0
15134959803
hexba73cb90

3128150928 has 160 divisors (see below), whose sum is σ = 9493963776. Its totient is φ = 868944384.

The previous prime is 3128150897. The next prime is 3128150929. The reversal of 3128150928 is 8290518213.

It is a super-2 number, since 2×31281509282 = 19570656456694522368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3128150929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4579675 + ... + 4580357.

Almost surely, 23128150928 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 3128150928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4746981888).

3128150928 is an abundant number, since it is smaller than the sum of its proper divisors (6365812848).

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

3128150928 is a wasteful number, since it uses less digits than its factorization.

3128150928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 3128150928 is about 55929.8750937279. The cubic root of 3128150928 is about 1462.5000837461.

The spelling of 3128150928 in words is "three billion, one hundred twenty-eight million, one hundred fifty thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 43 48 56 84 86 112 129 168 172 258 301 317 336 344 516 602 634 683 688 903 951 1032 1204 1268 1366 1806 1902 2049 2064 2219 2408 2536 2732 3612 3804 4098 4438 4781 4816 5072 5464 6657 7224 7608 8196 8876 9562 10928 13314 13631 14343 14448 15216 16392 17752 19124 26628 27262 28686 29369 32784 35504 38248 40893 53256 54524 57372 58738 76496 81786 88107 95417 106512 109048 114744 117476 163572 176214 190834 205583 216511 218096 229488 234952 286251 327144 352428 381668 411166 433022 469904 572502 616749 649533 654288 704856 763336 822332 866044 1145004 1233498 1299066 1409712 1515577 1526672 1644664 1732088 2290008 2466996 2598132 3031154 3289328 3464176 4546731 4580016 4933992 5196264 6062308 9093462 9309973 9867984 10392528 12124616 18186924 18619946 24249232 27929919 36373848 37239892 55859838 65169811 72747696 74479784 111719676 130339622 148959568 195509433 223439352 260679244 391018866 446878704 521358488 782037732 1042716976 1564075464 3128150928