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105432025531 = 7107140763719
BaseRepresentation
bin110001000110000111…
…1010000100110111011
3101002010201221211102111
41202030033100212323
53211411044304111
6120233530113151
710421463300430
oct1421417204673
9332121854374
10105432025531
11407936a22a8
1218524b7b7b7
139c33013831
145162661b87
152b2107da21
hex188c3d09bb

105432025531 has 8 divisors (see below), whose sum is σ = 121619854080. Its totient is φ = 89525724648.

The previous prime is 105432025529. The next prime is 105432025571. The reversal of 105432025531 is 135520234501.

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

It is a cyclic number.

It is not a de Polignac number, because 105432025531 - 21 = 105432025529 is a prime.

It is a super-3 number, since 3×1054320255313 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105432025493 and 105432025502.

It is not an unprimeable number, because it can be changed into a prime (105432025571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70381111 + ... + 70382608.

It is an arithmetic number, because the mean of its divisors is an integer number (15202481760).

Almost surely, 2105432025531 is an apocalyptic number.

105432025531 is a deficient number, since it is larger than the sum of its proper divisors (16187828549).

105432025531 is a wasteful number, since it uses less digits than its factorization.

105432025531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140763833.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 105432025531 in words is "one hundred five billion, four hundred thirty-two million, twenty-five thousand, five hundred thirty-one".

Divisors: 1 7 107 749 140763719 985346033 15061717933 105432025531