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105613551834 = 23723219923887
BaseRepresentation
bin110001001011100001…
…1101110100011011010
3101002121101112022200220
41202113003232203122
53212244032124314
6120303532540510
710426126243560
oct1422703564332
9332541468626
10105613551834
114087710773a
1218575921736
139c6180034b
14517c7d5a30
152b31e893a9
hex18970ee8da

105613551834 has 96 divisors (see below), whose sum is σ = 253633228800. Its totient is φ = 28717086816.

The previous prime is 105613551833. The next prime is 105613551851. The reversal of 105613551834 is 438155316501.

105613551834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1056135518342 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (105613551833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4409439 + ... + 4433325.

It is an arithmetic number, because the mean of its divisors is an integer number (2642012800).

Almost surely, 2105613551834 is an apocalyptic number.

105613551834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 105613551834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126816614400).

105613551834 is an abundant number, since it is smaller than the sum of its proper divisors (148019676966).

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

105613551834 is a wasteful number, since it uses less digits than its factorization.

105613551834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24144 (or 24121 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 105613551834 in words is "one hundred five billion, six hundred thirteen million, five hundred fifty-one thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 199 322 398 483 529 597 966 1058 1194 1393 1587 2786 3174 3703 4179 4577 7406 8358 9154 11109 13731 22218 23887 27462 32039 47774 64078 71661 96117 105271 143322 167209 192234 210542 315813 334418 501627 549401 631626 736897 1003254 1098802 1473794 1648203 2210691 3296406 3845807 4421382 4753513 7691614 9507026 11537421 12636223 14260539 23074842 25272446 28521078 33274591 37908669 66549182 75817338 88453561 99823773 109330799 176907122 199647546 218661598 265360683 327992397 530721366 655984794 765315593 1530631186 2295946779 2514608377 4591893558 5029216754 7543825131 15087650262 17602258639 35204517278 52806775917 105613551834