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531834442082647 = 11232985597040861
BaseRepresentation
bin111100011101100110101101…
…0111111111110100101010111
32120202001212122200200122120221
41320323031122333332211113
51024202033414133121042
65123041211513135211
7220010525156103244
oct17073153277764527
92522055580618527
10531834442082647
111445057a1729a20
124b7950b26ba507
1319a9aa077b89a2
149548cd25705cb
15417437ad06d67
hex1e3b35affe957

531834442082647 has 16 divisors (see below), whose sum is σ = 605410490511360. Its totient is φ = 462463117573600.

The previous prime is 531834442082639. The next prime is 531834442082653. The reversal of 531834442082647 is 746280244438135.

It is a happy number.

It is not a de Polignac number, because 531834442082647 - 23 = 531834442082639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531834449082647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72014997 + ... + 79055857.

It is an arithmetic number, because the mean of its divisors is an integer number (37838155656960).

Almost surely, 2531834442082647 is an apocalyptic number.

531834442082647 is a deficient number, since it is larger than the sum of its proper divisors (73576048428713).

531834442082647 is a wasteful number, since it uses less digits than its factorization.

531834442082647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339454.

The product of its (nonzero) digits is 123863040, while the sum is 61.

The spelling of 531834442082647 in words is "five hundred thirty-one trillion, eight hundred thirty-four billion, four hundred forty-two million, eighty-two thousand, six hundred forty-seven".

Divisors: 1 11 23 253 298559 3284149 6866857 7040861 75535427 77449471 161939803 1781337833 2102112419299 23123236612289 48348585643877 531834442082647