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105639295248 = 2432929789673
BaseRepresentation
bin110001001100010010…
…1111011100100010000
3101002200011222020000200
41202120211323210100
53212322124421443
6120310252415200
710426561123344
oct1423045734420
9332604866020
10105639295248
114088a6a0093
1218582477500
139c66c44a36
145181db7624
152b34371dd3
hex189897b910

105639295248 has 60 divisors (see below), whose sum is σ = 295961918460. Its totient is φ = 35175149568.

The previous prime is 105639295241. The next prime is 105639295249. The reversal of 105639295248 is 842592936501.

105639295248 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 392 + 9 + 5 + 248 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14852784384 + 90786510864 = 121872^2 + 301308^2 .

It is a super-2 number, since 2×1056392952482 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105639295194 and 105639295203.

It is not an unprimeable number, because it can be changed into a prime (105639295241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261061 + ... + 528612.

It is an arithmetic number, because the mean of its divisors is an integer number (4932698641).

Almost surely, 2105639295248 is an apocalyptic number.

105639295248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

105639295248 is an abundant number, since it is smaller than the sum of its proper divisors (190322623212).

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

105639295248 is a wasteful number, since it uses less digits than its factorization.

105639295248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790616 (or 790607 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 105639295248 in words is "one hundred five billion, six hundred thirty-nine million, two hundred ninety-five thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 929 1858 2787 3716 5574 7432 8361 11148 14864 16722 22296 33444 44592 66888 133776 789673 1579346 2369019 3158692 4738038 6317384 7107057 9476076 12634768 14214114 18952152 28428228 37904304 56856456 113712912 733606217 1467212434 2200818651 2934424868 4401637302 5868849736 6602455953 8803274604 11737699472 13204911906 17606549208 26409823812 35213098416 52819647624 105639295248