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10405105454531 = 431699142424483
BaseRepresentation
bin1001011101101010000010…
…0111010100110111000011
31100211201101200121120210202
42113122200213110313003
52330434123444021111
634044012304515415
72122513133033354
oct227324047246703
940751350546722
1010405105454531
11335186484aa27
1212006b491bb6b
135a6274428878
1427d8773a3d2b
151309d9b73b3b
hex976a09d4dc3

10405105454531 has 8 divisors (see below), whose sum is σ = 10653351403200. Its totient is φ = 10157144358312.

The previous prime is 10405105454507. The next prime is 10405105454551. The reversal of 10405105454531 is 13545450150401.

10405105454531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10405105454531 - 242 = 6007058943427 is a prime.

It is a super-2 number, since 2×104051054545312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10405105454501) 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, 71139185 + ... + 71285298.

It is an arithmetic number, because the mean of its divisors is an integer number (1331668925400).

Almost surely, 210405105454531 is an apocalyptic number.

10405105454531 is a deficient number, since it is larger than the sum of its proper divisors (248245948669).

10405105454531 is a wasteful number, since it uses less digits than its factorization.

10405105454531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142426225.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 10405105454531 in words is "ten trillion, four hundred five billion, one hundred five million, four hundred fifty-four thousand, five hundred thirty-one".

Divisors: 1 43 1699 73057 142424483 6124252769 241979196617 10405105454531