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105006012169680 = 24335709663710331
BaseRepresentation
bin10111111000000010011110…
…000011011111110111010000
3111202210110212112101112001000
4113320002132003133313100
5102230404303103412210
61011155032424542000
731055301604410036
oct2770023603376720
9452713775345030
10105006012169680
1130504888406806
12b93aa51021900
13467904197725b
141bd0464c54556
15c216a9c2eac0
hex5f809e0dfdd0

105006012169680 has 320 divisors, whose sum is σ = 362287149638400. Its totient is φ = 27955189463040.

The previous prime is 105006012169657. The next prime is 105006012169691. The reversal of 105006012169680 is 86961210600501.

105006012169680 is a `hidden beast` number, since 1 + 0 + 500 + 6 + 0 + 1 + 2 + 1 + 69 + 6 + 80 = 666.

It is a super-2 number, since 2×1050060121696802 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10164162115 + ... + 10164172445.

It is an arithmetic number, because the mean of its divisors is an integer number (1132147342620).

Almost surely, 2105006012169680 is an apocalyptic number.

105006012169680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105006012169680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181143574819200).

105006012169680 is an abundant number, since it is smaller than the sum of its proper divisors (257281137468720).

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

105006012169680 is a wasteful number, since it uses less digits than its factorization.

105006012169680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17699 (or 17687 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 105006012169680 in words is "one hundred five trillion, six billion, twelve million, one hundred sixty-nine thousand, six hundred eighty".