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85887304452 = 22342920394483
BaseRepresentation
bin100111111111101001…
…0000100001100000100
322012200122010010110000
41033333102010030010
52401344122220302
6103242303001300
76130240020345
oct1177722041404
9265618103400
1085887304452
1133474165054
121478b599230
138139a63611
14422aa100cc
15237a29531c
hex13ff484304

85887304452 has 120 divisors (see below), whose sum is σ = 232434417600. Its totient is φ = 27622171584.

The previous prime is 85887304403. The next prime is 85887304453. The reversal of 85887304452 is 25440378858.

85887304452 is a `hidden beast` number, since 8 + 588 + 7 + 3 + 0 + 4 + 4 + 52 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (85887304453) 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 39 ways as a sum of consecutive naturals, for example, 19156203 + ... + 19160685.

It is an arithmetic number, because the mean of its divisors is an integer number (1936953480).

Almost surely, 285887304452 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 85887304452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116217208800).

85887304452 is an abundant number, since it is smaller than the sum of its proper divisors (146547113148).

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

85887304452 is a wasteful number, since it uses less digits than its factorization.

85887304452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567 (or 6556 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 85887304452 in words is "eighty-five billion, eight hundred eighty-seven million, three hundred four thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 29 36 54 58 81 87 108 116 162 174 261 324 348 522 783 1044 1566 2039 2349 3132 4078 4483 4698 6117 8156 8966 9396 12234 13449 17932 18351 24468 26898 36702 40347 53796 55053 59131 73404 80694 110106 118262 121041 130007 161388 165159 177393 220212 236524 242082 260014 330318 354786 363123 390021 484164 520028 532179 660636 709572 726246 780042 1064358 1170063 1452492 1560084 1596537 2128716 2340126 3193074 3510189 4680252 4789611 6386148 7020378 9140837 9579222 10530567 14040756 18281674 19158444 21061134 27422511 36563348 42122268 54845022 82267533 109690044 164535066 246802599 265084273 329070132 493605198 530168546 740407797 795252819 987210396 1060337092 1480815594 1590505638 2385758457 2961631188 3181011276 4771516914 7157275371 9543033828 14314550742 21471826113 28629101484 42943652226 85887304452