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105112512552630 = 2351119473467102881
BaseRepresentation
bin10111111001100101101001…
…111110001101111010110110
3111210011122202201122112022210
4113321211221332031322312
5102234130411203141010
61011320004401434250
731066062022624242
oct2771455176157266
9453148681575283
10105112512552630
1130545a6a070820
12b95761393b986
1346860b510cc2b
141bd5689339422
15c2433e993b20
hex5f9969f8deb6

105112512552630 has 256 divisors, whose sum is σ = 295939859005440. Its totient is φ = 23619996979200.

The previous prime is 105112512552617. The next prime is 105112512552647. The reversal of 105112512552630 is 36255215211501.

It is a super-2 number, since 2×1051125125526302 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1021638790 + ... + 1021741670.

It is an arithmetic number, because the mean of its divisors is an integer number (1156015074240).

Almost surely, 2105112512552630 is an apocalyptic number.

105112512552630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 105112512552630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147969929502720).

105112512552630 is an abundant number, since it is smaller than the sum of its proper divisors (190827346452810).

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

105112512552630 is a wasteful number, since it uses less digits than its factorization.

105112512552630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106435.

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 105112512552630 in words is "one hundred five trillion, one hundred twelve billion, five hundred twelve million, five hundred fifty-two thousand, six hundred thirty".