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45807732595881 = 3223247220872
BaseRepresentation
bin10100110101001011100011…
…01000010001110010101001
320000012011202122102110010100
422122211301220101302221
522001003214021032011
6241231440513340013
712435333213431214
oct1232456150216251
9200164678373110
1045807732595881
1113660a4a933033
125179a18b67609
131c7385c6240c9
14b4516b16477b
1554686e509d56
hex29a971a11ca9

45807732595881 has 81 divisors (see below), whose sum is σ = 70705481762461. Its totient is φ = 28575524463024.

The previous prime is 45807732595873. The next prime is 45807732595901. The reversal of 45807732595881 is 18859523770854.

The square root of 45807732595881 is 6768141.

It is a perfect power (a square), and thus also a powerful number.

45807732595881 is a `hidden beast` number, since 4 + 5 + 8 + 0 + 7 + 7 + 32 + 5 + 9 + 588 + 1 = 666.

It is not a de Polignac number, because 45807732595881 - 23 = 45807732595873 is a prime.

It is a super-2 number, since 2×458077325958812 (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45807732595841) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 21949080220 + ... + 21949082306.

Almost surely, 245807732595881 is an apocalyptic number.

45807732595881 is the 6768141-st square number.

45807732595881 is the 3384071-st centered octagonal number.

It is an amenable number.

45807732595881 is a deficient number, since it is larger than the sum of its proper divisors (24897749166580).

45807732595881 is an frugal number, since it uses more digits than its factorization.

45807732595881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320 (or 2160 counting only the distinct ones).

The product of its (nonzero) digits is 677376000, while the sum is 72.

The spelling of 45807732595881 in words is "forty-five trillion, eight hundred seven billion, seven hundred thirty-two million, five hundred ninety-five thousand, eight hundred eighty-one".

Divisors: 1 3 9 23 47 69 141 207 423 529 1081 1587 2087 2209 3243 4761 6261 6627 9729 18783 19881 24863 48001 50807 74589 98089 144003 152421 223767 294267 432009 457263 882801 1104023 1168561 2256047 3312069 3505683 4355569 4610183 6768141 9936207 10517049 13066707 13830549 20304423 39200121 41491647 51889081 100178087 106034209 155667243 204711743 300534261 318102627 467001729 614135229 901602783 954307881 1842405687 2304096001 2438786807 4708370089 6912288003 7316360421 9621451921 14125110267 20736864009 21949081263 28864355763 42375330801 86593067289 108292512047 221293394183 324877536141 663880182549 974632608423 1991640547647 5089748066209 15269244198627 45807732595881