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88241487912 = 23332926935231
BaseRepresentation
bin101001000101110011…
…0100100000000101000
322102202200221001001000
41102023212210000220
52421204310103122
6104312041155000
76242464162104
oct1221346440050
9272680831030
1088241487912
1134472023a16
1215127a8ba60
1384236ca096
1443b1544904
152466cbb0ac
hex148b9a4028

88241487912 has 128 divisors (see below), whose sum is σ = 253710144000. Its totient is φ = 28383586560.

The previous prime is 88241487907. The next prime is 88241487953. The reversal of 88241487912 is 21978414288.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16866337 + ... + 16871567.

It is an arithmetic number, because the mean of its divisors is an integer number (1982110500).

Almost surely, 288241487912 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 88241487912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126855072000).

88241487912 is an abundant number, since it is smaller than the sum of its proper divisors (165468656088).

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

88241487912 is a wasteful number, since it uses less digits than its factorization.

88241487912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968 (or 7958 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The spelling of 88241487912 in words is "eighty-eight billion, two hundred forty-one million, four hundred eighty-seven thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 29 36 54 58 72 87 108 116 174 216 232 261 348 522 696 783 1044 1566 2088 2693 3132 5231 5386 6264 8079 10462 10772 15693 16158 20924 21544 24237 31386 32316 41848 47079 48474 62772 64632 72711 78097 94158 96948 125544 141237 145422 151699 156194 188316 193896 234291 282474 290844 303398 312388 376632 455097 468582 564948 581688 606796 624776 702873 910194 937164 1129896 1213592 1365291 1405746 1820388 1874328 2108619 2730582 2811492 3640776 4095873 4217238 5461164 5622984 8191746 8434476 10922328 14087083 16383492 16868952 28174166 32766984 42261249 56348332 84522498 112696664 126783747 169044996 253567494 338089992 380351241 408525407 507134988 760702482 817050814 1014269976 1225576221 1521404964 1634101628 2451152442 3042809928 3268203256 3676728663 4902304884 7353457326 9804609768 11030185989 14706914652 22060371978 29413829304 44120743956 88241487912