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105891292546 = 2134072742021
BaseRepresentation
bin110001010011110011…
…1001110010110000010
3101010022202011000022221
41202213213032112002
53213331132330141
6120351253521254
710436041064344
oct1424747162602
9333282130287
10105891292546
11409a9968416
121863294322a
139ca7206570
1451a7653294
152b4b54cbd1
hex18a79ce582

105891292546 has 8 divisors (see below), whose sum is σ = 171055164924. Its totient is φ = 48872904240.

The previous prime is 105891292541. The next prime is 105891292579. The reversal of 105891292546 is 645292198501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97671875625 + 8219416921 = 312525^2 + 90661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1058912925462 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105891292493 and 105891292502.

It is not an unprimeable number, because it can be changed into a prime (105891292541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036370985 + ... + 2036371036.

Almost surely, 2105891292546 is an apocalyptic number.

105891292546 is a deficient number, since it is larger than the sum of its proper divisors (65163872378).

105891292546 is a wasteful number, since it uses less digits than its factorization.

105891292546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072742036.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 105891292546 in words is "one hundred five billion, eight hundred ninety-one million, two hundred ninety-two thousand, five hundred forty-six".

Divisors: 1 2 13 26 4072742021 8145484042 52945646273 105891292546