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86518054434 = 2377983314161
BaseRepresentation
bin101000010010011100…
…0001011111000100010
322021022120222112202110
41100210320023320202
52404142110220214
6103425034100150
76151666220520
oct1204470137042
9267276875673
1086518054434
1133768205929
121492687a656
13820a637666
14428a6bd310
1523b5839159
hex1424e0be22

86518054434 has 64 divisors (see below), whose sum is σ = 202672189440. Its totient is φ = 24112408320.

The previous prime is 86518054417. The next prime is 86518054463. The reversal of 86518054434 is 43445081568.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118314 + ... + 432474.

It is an arithmetic number, because the mean of its divisors is an integer number (3166752960).

Almost surely, 286518054434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86518054434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101336094720).

86518054434 is an abundant number, since it is smaller than the sum of its proper divisors (116154135006).

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

86518054434 is a wasteful number, since it uses less digits than its factorization.

86518054434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314335.

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 86518054434 in words is "eighty-six billion, five hundred eighteen million, fifty-four thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 79 83 158 166 237 249 474 498 553 581 1106 1162 1659 1743 3318 3486 6557 13114 19671 39342 45899 91798 137697 275394 314161 628322 942483 1884966 2199127 4398254 6597381 13194762 24818719 26075363 49637438 52150726 74456157 78226089 148912314 156452178 173731033 182527541 347462066 365055082 521193099 547582623 1042386198 1095165246 2059953677 4119907354 6179861031 12359722062 14419675739 28839351478 43259027217 86518054434